SAP Message UM004 - SAP application area & cannot be further expanded

Diagnosis
In a CUA menu a reference was found to a menu which does not exist inthe system.

System Response
The system ignores the reference.

Procedure
You can ignore this error message or remove the incorrect reference inthe CUA menu. You will find the non-existent menu &V1& either in yourinitial menu or in a menu contained in one of the following constants:V2 v3 v4.