SAP ABAP Program LFBU3TOP (Include LFBIDF02) is using

• Table/Structure Field (3)
• Message Class (1)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	BUS050FLDS	BPR: BP relationship work fields
2	Table	KNB5	Customer master (dunning data)
3	Table	T001	Company Codes