SAP ABAP Program LK23F1F1B (FCODE_TAB1) is using

• Table/Structure Field (2)
• Message Class (1)
• Message Number (1)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	COHEADER - COPYDOC	Document Number of the Reference Document
2	Table/Structure Field	SYST - MSGV1	ABAP System Field: Message Variable