The predefined Data Definition is missing. This kind of change is not allowed and could harm proper functionality of application. Because its ID is reused for a different Data Definition it cannot be autofixed. It is advised to manually fix this problem.
Applies to all Data Definitions.
Detects problems caused by customer changes.
Manually fix the issue: change ID of the conflicting Data Definition or delete it. Finish installation afterwards by applying the AutoFix. Please get in contact with Matrix42 support if necessary.