Message SAP WRMA014 - RMA value-only article &1 is already defined as a mat.cat.val-only art.

Diagnosis RMA value-only article &v1& has been defined already as a materialgroup value-only article for material group &v2&. Procedure The RMA value-only article must be different from the material groupvalue-only article. You can post only RMA-internal postings to the RMA value-only article,in order to get a clear separation for the RMA evaluation. Specify a different value-only article as the RMA value-only article.