https://developer.apple.com/documentation/macos-release-notes/macos-12-release-notes#Python
If an app uses Python 2.7, macOS now triggers an alert indicating that the developer must update the app to ensure it will work in future versions of macOS. (80221011)
Your app may be getting that error because it's using a deprecated version of Python.
IntelliJ was also getting the same error: https://youtrack.jetbrains.com/issue/IDEA-216133
CodeWeaver's CrossOver was (or is?) dealing with the same issue.
For the curious, here's how the prompt looks:
lelandfe
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