An error occurred in &1 objects during reassignment

What causes this issue?

An error occurred during reassignment and not all objects can be
reassigned.

System Response

The incorrect objects were not reassigned.

How to fix this error?

Examine the incorrect objects. You can find more information in the
application log.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.