SAP ABAP Message Number LOP - 028 (LOP) is used by

• Function Module (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	LOP_LIST_HEADER_POSTING	Posting of table LOP_D_LIST_HD	LOOP	APPL	SAP_APPL
2	Function Module	LOP_LIST_ITEM_POSTING	Posting of table LOP_D_LIST_IT	LOOP	APPL	SAP_APPL
3	Function Module	LOP_MASTER_HEADER_POSTING	Posting of table LOP_D_MASTER_HD	LOOP	APPL	SAP_APPL
4	Function Module	LOP_MASTER_ITEM_POSTING	Posing of table LOP_D_MASTER_IT	LOOP	APPL	SAP_APPL