SAP ABAP Program LV45C021 (LV45C021) is using

• Table/Structure Field (12)
• Message Class (2)
• Message Number (8)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	TVAK	Sales Document Types
2	Table	VBPA	Sales Document: Partner
3	Table	VBRK	Billing Document: Header Data