SAP ABAP Program LSP01F28 (lasp: vbbe, vbak, kna1) is using

• Table/Structure Field (17)
• Function Module (1)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Table	KNA1	General Data in Customer Master
2	Table	PLAF	Planned Order
3	Table	VBAK	Sales Document: Header Data
4	Table	VBBE	Sales Requirements: Individual Records