In this post, you’ll learn about the Google Play API Error APP_UID_MISMATCH and the reason why you are receiving the error message and how to fix it
How does this Google Play Message Look like?
APP_UID_MISMATCH
Why do you receive this Error in the Google Play Integrity API?
The calling app UID (user ID) does not match the one from Package Manager.
How to fix this error?
Something is wrong; possibly an attack. Non-actionable.