Diagnosis
The activation status of application &V1& has been changed by importinga transport request (current activation status = '&V2&'). For technicalreasons, the exit intended for this (BAdI EXTENSION_SWITCH) could notbe called up.
As a result, application &V1& or the corresponding R/3 Extension werenot able to react to the activation status change.

System Response
Application &V1& now has an undefined status. This situation must berectified.

Procedure
Contact SAP Support, as the error that is preventing you from callingup the exit must be rectified.
Afterwards, it will be necessary to import the affected transportrequest again. If you do not do this, correct functioning of theaffected R/3 extension cannot be guaranteed.