SAP ABAP Program LFVBUF01 (Subprograms) is using

• Table/Structure Field (6)
• Message Class (1)
• Message Number (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Table	VDBEKI	Flow Data: Document Header for Actual Record
2	Table	VDBEPI	Posted line items for document header