Diagnosis
V1
An error occurred while the system was processing customer enhancementV2.
The derivation step was defined so that an error message would bedisplayed when this occurred.
The following source values were transferred to the enhancement:
V3
V4

Procedure
Check why an error was detected in your enhancement. If derivation isnot supposed to be carried out in every instance, you can define thestep so that no error message is displayed.