Diagnosis
In a characteristic relationship of type exit,function module &V1& is used for characteristic derivation. Thisfunction module is designed to be used with target characteristic &V2&among others. This characteristic needs to be included in the exitrelationship as a target characteristic.
This is not currently the case, however.

System Response
The characteristic relationship cannot be used for characteristicderivation because of this incorrect setting.

Procedure
Delete the characteristic relationship or include characteristic &V2& inthe characteristic relationship as a target characteristic.