Faced with the same issue on my new account [removed per Community Guidelines]
I'm not able to sign in. Getting the same error.
There is some text in log:
2025-10-15 15:50:01.028 src/modules/Logging/logging.ts:43 - [100]: Logging subsystem initialized
2025-10-15 15:50:01.080 src/App.tsx:42 - [100]: isNativeClient: false
2025-10-15 15:50:01.080 src/App.tsx:43 - [100]: clientOS: Unknown
I'm using macOS 15.6.1 (24G90)
The cache has been cleared. Chrome is being used as a default browser. The device has been restarted.