Error creating Google Play package

[yousafameerkhan-cyber]

I received the following error when creating a Google Play package for https://savemeapp.social.

2026-08-10T22:09:08.088Z [error]: Error creating app package: Invalid base 64 string
stack: Error: Invalid base 64 string
at base64ToBuffer (file:///app/utils/base64ToBuffer.js:4:15)
at PackageCreator.createLocalSigningKeyInfo (file:///app/services/packageCreator.js:195:32)
at PackageCreator.createAppPackage (file:///app/services/packageCreator.js:86:40)
at PackageCreator.create (file:///app/services/packageCreator.js:27:43)
at PackageCreator.createZip (file:///app/services/packageCreator.js:48:39)
at PackageJobProcessor.processJob (file:///app/services/packageJobProcessor.js:75:54)
at process.processTicksAndRejections (node:internal/process/task_queues:104:5)
at async PackageJobProcessor.runJobs (file:///app/services/packageJobProcessor.js:49:21)

[JudahGabriel]

yousafameerkhan-cyber Did you try to package with an existing key file, or a new one? PWABuilder is saying that your key file is invalid.

[microsoft-github-policy-service]

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