Diagnosis
You have attempted to restrict the validity period of a BP address.However, this BP address is still being used, which means that youcannot make this change.

System Response
The system issues an error message. The validity of theaddress is not changed.

Procedure
Display the where-used list for the BP address. If you still want tochange the validity of the address, then change the address referencefor the applications in question.
In most cases, if other applications are affected, you cannavigate from the where-used list directly to the correspondingapplication in which you call up the context menu.
Then try again to change the validity of the BP address.