SAP ABAP Program LFACIF4J (DOCUMENT_SKVTAB_SUBST) is using

• Table/Structure Field (28)
• Message Number (2)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	BSEG	Accounting Document Segment
2	Table	SKVSTR	Structure for Net Postings
3	Table	T003	Document Types