SAP Message VL314 - Distribution channel & is not defined

Diagnosis The distribution channel &V1& is notallowed. INCLUDE 'NA_NO_PROCESSING_2' OBJECT DOKU ID TX LANGUAGE E INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E DEFINE &FELDNAME& = 'distribution channel' INCLUDE 'NA_POSSIBLE_ENTRY' OBJECT DOKU ID TX LANGUAGE E DEFINE &ANLEGEOBJEKT& = 'distribution channels' INCLUDE 'NA_CREATE_CHANGE' OBJECT DOKU ID TX LANGUAGE E