Diagnosis
The status of the PI sheet has been changed. However, the changecannot be reported as process message category PI_CRST set up forthis purpose by SAP does not exist (any more) in your plant.Subsequent actions that might be required due to the new status, suchas changing the control recipe status or unlocking operations in theprocess order, are not carried out.

Procedure
RESET N1
In Customizing, copy the message categories predefined by SAP to yourplant.
Manually create and send a process message of category PI_CRST to reportthe current status change.
Create message