Message SAP /ISDFPS/PM_CP091 - Revision &1/&2 cannot be changed in this system

Diagnosis
No change authorization exists in the current system for revision &V1& /V2.

System Response
The system switches to display mode.

Procedure
If you want to change the current revision or perform another functionwith this revision, do so in the logical SAP system in which data can bemaintained.