SAP ABAP Program LWST0TOP (Globale Variable Verbuchungsbausteine) is using

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

#	Object Type	Object Name	Object Description	Note
1	Table	CSIN	Interface for BOM Access
2	Table	LMESS	Internal table for messages
3	Table	STKOB	BOM Header Document Table
4	Table	STPOB	BOM item document table
5	Table	STZUB	Permanent BOM data
6	Table	WSTR_IN	Interface Structure for Maintaining Components Struct. Matls