SAP ABAP Program MK23BF30_CHECK_AUFNR (CHECK_AUFNR) is using

• Table/Structure Field (19)
• Function Module (1)
• Message Class (1)
• Message Number (2)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	COBK	CO Object: Document Header
2	Table	CSKBV	Control indicators in the cost element B segment
3	Table	RK23O	SAPMK23B: Fields for all sender and receiver objects