Stacey,
Online, local repair - no dice.
Uninstall and reinstall - no dice.
One interesting point, if I move/copy the database to an existing network share folder, it did not produced the error.
Second point, base on older compact & repair database do not produced the error. (That is, previous database files was on a old laptop is compact & repaired do not show any error. Those not compact & repair shows error.
Third point, create a new blank database show this problem. (backup database file with numbers)
By any chance, is there an issue with Intune, JumpCloud and One Drive that will cause conflict for Access 365? Out IT is controlling all hardware and software that might block Access 365 functions.
I have even might sure the files and folders have full access rights, still no luck.