The object for notification &1 has changed

What causes this issue?

You have just changed a notification and have changed the object in the
notification. Therefore, the notification can no longer be displayed on
the <ZK>Work Completion</> tab page.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.