SAP Message RP078 - No authorization for the specified organizational assignment exists

Diagnosis
You are attempting to transfer a personnel number to a personnel area,for which you have no authorization.
System Response
This warning message appears.
Procedure
If you still want to continue with the organizational reassignment,simply ignore this message. Note that once the reassignment has beensuccessfully processed, you may no longer be able to access thepersonnel number.
Procedure for System Administration