Failed to fetch devices from Hame API

[dmham187]

Before you submit

• I have read the README and my question is not answered there.
• I have searched existing issues and this is not a duplicate.

Battery / device models

Marstek Jupiter

Version

1.5.0

Deployment

Home Assistant add-on

B2500 MQTT configuration

Not applicable — I don't have a B2500

Are you using hm2mqtt?

Yes

What's happening?

Since I updated to version 1.5.0 I'm getting errors right after starting the add-on. No data fetched at all.

I tried completely removing the add-on and reinstalled it, but the error is still there. Is it possible to downgrade?

Configuration

log_level: info
username: ******
password: ******
mqtt_uri: mqtt://192.168.x.x:1883
default_broker_id: hame-2025

Logs

[2026-07-31 11:06:25] ERROR: Failed to fetch devices from Hame API
    err: {
      "type": "TypeError",
      "message": "Cannot read properties of null (reading 'trim')",
      "stack":
          TypeError: Cannot read properties of null (reading 'trim')
              at parseVersion (file:///app/dist/device_matrix.js:454:29)
              at file:///app/dist/main.js:136:31
              at Array.map (<anonymous>)
              at start (file:///app/dist/main.js:122:46)
              at process.processTicksAndRejections (node:internal/process/task_queues:103:5)
              at async file:///app/dist/main.js:322:1
    }
[2026-07-31 11:06:25] ERROR: Failed to start MQTT forwarder
    err: {
      "type": "Error",
      "message": "Unable to fetch device information from Hame API: Cannot read properties of null (reading 'trim'): Cannot read properties of null (reading 'trim')",
      "stack":
          Error: Unable to fetch device information from Hame API: Cannot read properties of null (reading 'trim')
              at start (file:///app/dist/main.js:158:19)
              at process.processTicksAndRejections (node:internal/process/task_queues:103:5)
              at async file:///app/dist/main.js:322:1
          caused by: TypeError: Cannot read properties of null (reading 'trim')
              at parseVersion (file:///app/dist/device_matrix.js:454:29)
              at file:///app/dist/main.js:136:31
              at Array.map (<anonymous>)
              at start (file:///app/dist/main.js:122:46)
              at process.processTicksAndRejections (node:internal/process/task_queues:103:5)
              at async file:///app/dist/main.js:322:1
    }