SAP Message V1471 - Copying in sales document type &1 from &2 &3 &4 has not been defined

Diagnosis
Copying into sales document type &V1& of &V2& &V3& &V4& is not allowedaccording to the rules defined in copying control.

System Response
The system does not allow you to copy the document.
INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E
If all entries are correct, check the copying control for document typeV1 in customizing.
Change the copying control if necessary, providing you have theauthorization to do this.
IF &DEVICE&='SCREEN'
Proceed
ENDIF