SAP ABAP Program LK23F1F0O (EXIT) is using

• Data Element (1)
• Table/Structure Field (23)
• Function Module (3)
• Message Class (2)
• Message Number (2)
• Table (8)

#	Object Type	Object Name	Object Description	Note
1	Message Number	BKN - 004	Enter a reference number
2	Message Number	GA2 - 401	You are not authorized to carry out the &1 transaction