SAP ABAP Message Number KN - 338 (KN) is used by

• Class (1)
• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_STRUCTURE_EXPLOSION_TREE Method: HANDLE_USER_COMMAND	Costed Multilevel BOM	KKBO	APPL	SAP_FIN