Ship.condition &1 loading grp &2 plant &3 StLoc &4 not defined

What causes this issue?

Combination &V1& &V2& &V3& &V4& is not allowed.
INCLUDE 'NA_NO_PROCESSING_1' OBJECT DOKU ID TX LANGUAGE E
INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E
Check the entries for the <GL:shipping_point>shipping point</>
determination in <GL:customizing>Customizing</> and enter the above
combination in the table, if you have the necessary authorization.
INCLUDE 'NA_SYSAD3' OBJECT DOKU ID TX LANGUAGE E
IF &DEVICE&='SCREEN'
<ds:TRAN.OVL2>Proceed</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.