SAP Message UPC209 - Impermissible characteristic derivation in Customer Exit

Diagnosis
In the characteristic derivation Customer Exit (enhancement SEMBPS02),characteristic &V1& was changed in an unauthorized manner. All thecharacteristics, that appear in table ITO_CHA when the function moduleEXIT_SAPLUPC_SERVICES_002 is called up, may not be changed.

Procedure
Change the Customer Exit.