Diagnosis
During a GET_LIST BAPI call of the object
&V2& there was an attempt to transfer the&V1& field to the selection options.

System Response
The &V1& field is unknown for object &V2&.

Procedure
Modify the BAPI call accordingly. You can get possible fields forthe call from the *_DAT structure of the busines object, orfrom the return structure of the GET_DETAIL BAPIof the business object.