SAP Message V3007 - Sales group & is not defined

Diagnosis The specified sales group &V1& is not allowed. INCLUDE 'NA_NO_PROCESSING_2' OBJECT DOKU ID TX LANGUAGE E INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E DEFINE &FELDNAME& = 'Sales group' INCLUDE 'NA_POSSIBLE_ENTRY' OBJECT DOKU ID TX LANGUAGE E DEFINE &ANLEGEOBJEKT& = 'sales groups' INCLUDE 'NA_CREATE_CHANGE' OBJECT DOKU ID TX LANGUAGE E