SAP ABAP Program MK23BF20_TEST-RBELNR (TEST-RBELNR) is using

• Table/Structure Field (37)
• Function Module (4)
• Message Class (2)
• Message Number (14)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Table	COBK	CO Object: Document Header
2	Table	RK23A	Screen fields-SAPMK23A/SAPMK23B: Non-document fields
3	Table	T000	Clients
4	Table	T100C	Message Control by User