Where Used List (Class) for SAP ABAP Table LOP_S_DOC_REF_CAT_GUID (Key of a document or reference + category + GUID)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component

1	Class	CL_LOP_EMBEDDED_TREE `Method: SELECT_EXPANDDATA_FROM_DB`	Logistcial Option Embedded Tree	LOOP_UI	APPL	SAP_APPL
2	Class	CL_LOP_LIST_FACTORY `Method: IF_LOP_LIST_FACTORY~UPDATE`	Factory	LOOP	APPL	SAP_APPL