An error occurred some times

Anki 2.1.54 (b6a7760c) Python 3.9.7 Qt 6.3.1 PyQt 6.3.1
Platform: Windows 10
Flags: frz=True ao=False sv=2
Add-ons, last update check: 2022-11-06 15:20:56

Unknown error

When does the error occur?

Please also see: When problems occur - Frequently Asked Questions

I’m afraid we’re not sure what causes this error for some people.