.

Type: Bug

## Issue Description ##
## Steps to Reproduce ##

## Expected Behavior ##

## Actual Behavior ##



Extension version: 2.140.8
VS Code version: Code 1.122.1 (8761a5560cfd65fdd19ce7e2bd18dab5c0a4d84e, 2026-05-29T09:25:37+02:00)
OS version: Windows_NT x64 10.0.19045
Modes:

### Logs ###


### C# log ###
<details>

```
2026-06-03 09:12:45.867 [info] Locating .NET runtime version 10.0.5
2026-06-03 09:12:46.501 [info] Dotnet path: C:\Program Files\dotnet\dotnet.exe
2026-06-03 09:12:46.501 [info] Activating C# + C# Dev Kit...
2026-06-03 09:12:46.975 [info] info: Program[0]
2026-06-03 09:12:46.975 [info] Server started with process ID 11088
2026-06-03 09:12:48.222 [info] [Program] Language server initialized
2026-06-03 09:12:48.223 [info] [Program] Monitoring client process 19476 for exit
2026-06-03 09:12:48.850 [info] [initialized] [Microsoft.CodeAnalysis.LanguageServer.FileBasedPrograms.FileBasedProgramsEntryPointDiscovery] Finished discovery in 'd:\Visnam\hrm' in 15 milliseconds
2026-06-03 09:12:52.529 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\MailService\MailService.Api\MailService.Api.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.531 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\MasterData\MasterData.Api\MasterData.Api.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.536 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\Web.Models\Web.Models.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.538 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\Web.Api\Web.Api.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.540 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\Library\Dybi.Library.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.542 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\MasterData\MasterData.FE\MasterData.FE.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.543 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\Web.App\Web.App.csproj loaded by C# Dev Kit
2026-06-03 09:12:52.546 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project D:\Visnam\hrm\MasterData\MasterData.Model\MasterData.Model.csproj loaded by C# Dev Kit
2026-06-03 09:34:34.633 [info] [textDocument/diagnostic] [Microsoft.CodeAnalysis.MSBuild.BuildHostProcessManager] .NET BuildHost started from c:\Users\Dell OptiPlex\.vscode\extensions\ms-dotnettools.csharp-2.140.8-win32-x64\.roslyn\Microsoft.CodeAnalysis.LanguageServer.exe reloading to start from C:\Program Files\dotnet\dotnet.exe to match necessary SDK location.
2026-06-03 09:34:35.788 [warning] [textDocument/diagnostic] [LanguageServerProjectLoader] Project C:\Users\Dell OptiPlex\AppData\Local\Temp\roslyn-canonical-misc\af1d9adc-2c66-475f-917e-2bd8672ac714\Canonical.csproj has unresolved dependencies
2026-06-03 09:34:35.839 [info] [textDocument/diagnostic] [LanguageServerProjectLoader] Successfully completed load of git:/d:/Visnam/hrm/Web.Models/Dtos/EvaluationTemplateDtos.cs?%7B%22path%22:%22d:%5C%5CVisnam%5C%5Chrm%5C%5CWeb.Models%5C%5CDtos%5C%5CEvaluationTemplateDtos.cs%22,%22ref%22:%22~%22%7D
2026-06-03 09:34:35.849 [info] [textDocument/diagnostic] [LanguageServerProjectLoader] Restoring Canonical.csproj: Running dotnet restore on C:\Users\Dell OptiPlex\AppData\Local\Temp\roslyn-canonical-misc\af1d9adc-2c66-475f-917e-2bd8672ac714\Canonical.csproj
2026-06-03 09:34:35.850 [info] [textDocument/diagnostic] [Microsoft.CodeAnalysis.LanguageServer.DotnetCliHelper] Using dotnet executable configured on the PATH
2026-06-03 09:34:36.567 [info] [textDocument/diagnostic] [LanguageServerProjectLoader] Restoring Canonical.csproj: Determining projects to restore...
2026-06-03 09:34:36.856 [info] [textDocument/diagnostic] [LanguageServerProjectLoader] Restoring Canonical.csproj: Restored C:\Users\Dell OptiPlex\AppData\Local\Temp\roslyn-canonical-misc\af1d9adc-2c66-475f-917e-2bd8672ac714\Canonical.csproj (in 75 ms).
2026-06-03 09:34:36.956 [info] [textDocument/diagnostic] [LanguageServerProjectLoader] Restore complete
2026-06-03 09:34:36.956 [info] [textDocument/diagnostic] [LanguageServerProjectLoader] Completed (re)load of all projects in 00:00:02.6301757
2026-06-03 09:34:37.406 [info] [workspace/didChangeWatchedFiles] [LanguageServerProjectLoader] Successfully completed load of git:/d:/Visnam/hrm/Web.Models/Dtos/EvaluationTemplateDtos.cs?%7B%22path%22:%22d:%5C%5CVisnam%5C%5Chrm%5C%5CWeb.Models%5C%5CDtos%5C%5CEvaluationTemplateDtos.cs%22,%22ref%22:%22~%22%7D
2026-06-03 09:34:37.406 [info] [workspace/didChangeWatchedFiles] [LanguageServerProjectLoader] Completed (re)load of all projects in 00:00:00.0050886
2026-06-03 09:53:21.236 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:21.239 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:21.240 [error] Request textDocument/codeAction failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:21.240 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:21.241 [error] Request textDocument/diagnostic failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:21.241 [error] Document pull failed for text document file:///d%3A/Visnam/hrm/Web.App/Pages/Organization/BranchDetail.razor
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:21.242 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Layout/EmptyLayout_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.268 [error] Request textDocument/diagnostic failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.268 [error] Document pull failed for text document file:///d%3A/Visnam/hrm/Web.App/Pages/Organization/Components/BranchDialog.razor
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.268 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.270 [error] Request textDocument/completion failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.290 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.439 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.440 [error] Request textDocument/codeLens failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.441 [error] Request textDocument/codeAction failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.497 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.539 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:52.574 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Organization/Components/BranchDialog_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.232 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.233 [error] Request textDocument/completion failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.233 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.372 [error] Request textDocument/codeAction failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.372 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.373 [error] Request textDocument/codeLens failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.411 [error] Request textDocument/hover failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.456 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.470 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.510 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:55.922 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:56.573 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:53:56.724 [error] Request textDocument/codeLens failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:01.782 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:01.783 [error] Request textDocument/codeAction failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:01.973 [error] Request textDocument/documentSymbol failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:02.123 [error] Request textDocument/inlayHint failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:02.236 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:02.856 [error] Request textDocument/hover failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:03.741 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:14.457 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]
2026-06-03 09:55:17.941 [error] Request textDocument/semanticTokens/range failed.
 Message: Razor source generator did not produce a host output for project 'Web.App': warning CS8785: Generator 'RazorSourceGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'ArgumentException' with message 'The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')'.
System.ArgumentException: The hintName 'Pages/Evaluation/EvaluationTemplateDetail_razor.g.cs' of the added source file must be unique within a generator. (Parameter 'hintName')
 at Microsoft.CodeAnalysis.AdditionalSourcesCollection.Add(String hintName, SourceText source) in /_/src/Compilers/Core/Portable/SourceGeneration/AdditionalSourcesCollection.cs:line 78
 at Microsoft.CodeAnalysis.SourceOutputNode`1.AppendOutputs(IncrementalExecutionContext context, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/Nodes/SourceOutputNode.cs:line 113
-----

 Code: -32000 
[object Object]

```
</details>

### C# LSP Trace Logs log ###
<details>

```

```
</details>



## Environment Information ##
**VSCode version**: 1.122.1
**C# Extension**: 2.140.8
**Using OmniSharp**: false


<details><summary>Dotnet Information</summary>
.NET SDK:
 Version: 10.0.300
 Commit: caa81fa497
 Workload version: 10.0.300-manifests.e0989437
 MSBuild version: 18.6.3+caa81fa49

Runtime Environment:
 OS Name: Windows
 OS Version: 10.0.19045
 OS Platform: Windows
 RID: win-x64
 Base Path: C:\Program Files\dotnet\sdk\10.0.300\

.NET workloads installed:
 [wasm-tools]
 Installation Source: VS 18.7.11822.327
 Manifest Version: 10.0.108/10.0.100
 Manifest Path: C:\Program Files\dotnet\sdk-manifests\10.0.100\microsoft.net.workload.mono.toolchain.current\10.0.108\WorkloadManifest.json
 Install Type: Msi

Configured to use workload sets when installing new manifests.
No workload sets are installed. Run "dotnet workload restore" to install a workload set.

Host:
 Version: 10.0.8
 Architecture: x64
 Commit: 94ea82652c

.NET SDKs installed:
 10.0.201 [C:\Program Files\dotnet\sdk]
 10.0.300 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
 Microsoft.AspNetCore.App 10.0.5 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
 Microsoft.AspNetCore.App 10.0.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
 Microsoft.NETCore.App 10.0.5 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
 Microsoft.NETCore.App 10.0.8 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
 Microsoft.WindowsDesktop.App 10.0.5 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
 Microsoft.WindowsDesktop.App 10.0.8 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Other architectures found:
 x86 [C:\Program Files (x86)\dotnet]
 registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]

Environment variables:
 DOTNET_CLI_UI_LANGUAGE [en-US]

global.json file:
 Not found

Learn more:
 https://aka.ms/dotnet/info

Download .NET:
 https://aka.ms/dotnet/download
</details>
<details><summary>Visual Studio Code Extensions</summary>

|Extension|Author|Version|Folder Name|
|---|---|---|---|
|auto-close-tag|formulahendry|0.5.15|formulahendry.auto-close-tag-0.5.15|
|auto-rename-tag|formulahendry|0.1.10|formulahendry.auto-rename-tag-0.1.10|
|chatgpt|openai|26.527.60818|openai.chatgpt-26.527.60818-win32-x64|
|csdevkit|ms-dotnettools|3.20.199|ms-dotnettools.csdevkit-3.20.199-win32-x64|
|csharp|ms-dotnettools|2.140.8|ms-dotnettools.csharp-2.140.8-win32-x64|
|gitlens|eamodio|18.0.0|eamodio.gitlens-18.0.0|
|LiveServer|ritwickdey|5.7.10|ritwickdey.liveserver-5.7.10|
|material-icon-theme|PKief|5.35.0|pkief.material-icon-theme-5.35.0|
|vscode-dotnet-runtime|ms-dotnettools|3.0.2|ms-dotnettools.vscode-dotnet-runtime-3.0.2|;

</details>
<details><summary>C# Settings</summary>

|Setting|Value|
|---|---|
|preferCSharpExtension|false|
|compilerDiagnosticScope|openFiles|
|analyzerDiagnosticScope|openFiles|
|enableXamlTools|true|
|useServerGC|true|;

</details>
<details>
<summary>System Info</summary>

|Item|Value|
|---|---|
|CPUs|Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz (12 x 3192)|
|GPU Status|2d_canvas: enabled GPU0: VENDOR= 0x8086, DEVICE=0x3e92 [Intel(R) UHD Graphics 630], DRIVER_VENDOR=Intel, DRIVER_VERSION=30.0.100.9864 *ACTIVE* GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.19041.546 Machine model name: Machine model version: direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|15.80GB (2.45GB free)|
|Process Argv|--crash-reporter-id d788c67a-879e-4e8f-94bd-53f0b967ad7c|
|Screen Reader|no|
|VM|0%|
</details><details>
<summary>A/B Experiments</summary>

```
vsliv368cf:30146710
pythonvspyt551:31249599
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
6abeh943:31336334
envsdeactivate2:31505458
cloudbuttont:31379625
3efgi100_wstrepl:31403338
56b7f661:31457055
ec5jj548:31422691
cp_cls_t_966_ss:31454198
inlinechat_v2_hd992725:31505030
4je02754:31466945
c3h7c220:31478652
38bie571_auto:31426784
cp_cls_t_1081:31454832
conptydll_true:31498968
ia-use-proxy-models-svc:31452481
e9c30283:31461165
test_treatment2:31471001
c9b86496:31447327
control_6dc23131:31520950
idci7584:31464702
e3e4d672:31494082
ei9d7968:31496641
chat:31457767
8hig5102:31480529
89g7j272:31518289
7e187181:31503455
i2gc6536:31499202
52612955:31516516
githubstableflight:31469463
ghj88844:31499326
h08i8180:31475369
ddid_t:31478206
hmra_i5g22:31518061
getcmakediagnosticson:31489824
7df3h592:31512476
cp_cls_t_1082:31516087
logging_enabled_new:31498466
db5d2638:31499441
nes-extended-cfe-himalia-004:31500446
jb_cp_cls_c_632:31524806
b1ei0813:31506238
748c7209:31512887
32d76977:31512328
ha629193:31508444
cdk-lw-on:31524445
nes-charagree-0:31521369
31fi7170_t:31522396
jh5f2457_c:31515489
61138546:31518536
nes-gb-1k:31525175

```

</details>

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. #9380

Issue Description

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C# LSP Trace Logs log

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Development

Extension	Author	Version	Folder Name
auto-close-tag	formulahendry	0.5.15	formulahendry.auto-close-tag-0.5.15
auto-rename-tag	formulahendry	0.1.10	formulahendry.auto-rename-tag-0.1.10
chatgpt	openai	26.527.60818	openai.chatgpt-26.527.60818-win32-x64
csdevkit	ms-dotnettools	3.20.199	ms-dotnettools.csdevkit-3.20.199-win32-x64
csharp	ms-dotnettools	2.140.8	ms-dotnettools.csharp-2.140.8-win32-x64
gitlens	eamodio	18.0.0	eamodio.gitlens-18.0.0
LiveServer	ritwickdey	5.7.10	ritwickdey.liveserver-5.7.10
material-icon-theme	PKief	5.35.0	pkief.material-icon-theme-5.35.0
vscode-dotnet-runtime	ms-dotnettools	3.0.2	ms-dotnettools.vscode-dotnet-runtime-3.0.2

Setting	Value
preferCSharpExtension	false
compilerDiagnosticScope	openFiles
analyzerDiagnosticScope	openFiles
enableXamlTools	true
useServerGC	true

Item	Value
CPUs	Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz (12 x 3192)
GPU Status	2d_canvas: enabled GPU0: VENDOR= 0x8086, DEVICE=0x3e92 [Intel(R) UHD Graphics 630], DRIVER_VENDOR=Intel, DRIVER_VERSION=30.0.100.9864 ACTIVE GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.19041.546 Machine model name: Machine model version: direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	undefined
Memory (System)	15.80GB (2.45GB free)
Process Argv	--crash-reporter-id d788c67a-879e-4e8f-94bd-53f0b967ad7c
Screen Reader	no
VM	0%

. #9380

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