SAP Message V2004 - Copying from sales document type &1 to &2 is not supported

Diagnosis
According to the rules defined in copying control copying &V1& to &V2&is not allowed.
INCLUDE 'NA_NO_PROCESSING_2' OBJECT DOKU ID TX LANGUAGE E
INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E
If you want copying &V1& to &V2& to be allowed, you must add to theentries in copying control.
INCLUDE 'NA_CUST_MAINTAIN' OBJECT DOKU ID TX LANGUAGE E
IF &DEVICE&='SCREEN'
Proceed
ENDIF