Diagnosis
When generating mapping modules for SAP standard objects, code is onlygenerated in the current system if the original system of the functiongroup given (here &V1&) is also the current system (&V2&). The originalsystem for &V1& is, however, &V3&.

System Response
Mapping modules are not generated in function group &V1&.

Procedure
Generate the modules concerned as needed in system &V3& and thentransport these modules.