SAP Message WRF_APC708 - No listing performed because a link to layout module version exists

Diagnosis
You cannot carry out a listing if a link to a layout module versionexists on any level. The system has detected such a link and willtherefore not carry out a listing for the objects specified: &V1& &V2&

System Response
Processing can continue, but you must make sure that the materials arelisted before you can create purchase orders.