SAP ABAP Program LCSDIF1F (CLS_REFCLASS_FILL) is using

• Table/Structure Field (8)
• Function Module (1)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	KLAH	Class Header Data
2	Table	KSSK	Allocation Table: Object to Class
3	Table	STPOB	BOM item document table