No changes exist for change number &

What causes this issue?

No changes have been made with this change number.
The changes made have been undone with the undo change transaction.


&HINT&
Within the undo change transaction, only the changes for which undo is
supported are displayed.

How to fix this error?

In the undo change transaction, you can check the log to see whether
changes have been undone.

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.