SAP Message WRF_MRM_ASSIGN013 - Error reading WRF_ASSIGN_GRP for company code &1 and vendor &2 DOCUMENTATION DiagnosisAn error occurred when reading database table WRF_ASSIGN_GRP for companycode &V1& and vendor &V2&.ProcedureCheck whether an assignment test group has been defined for the abovecombination of company code and vendor.