SAP ABAP Program LWRF_APC_MAINI04 (pai module validate_plid) is using

• Class (7)
• Data Element (1)
• Table/Structure Field (8)
• Function Module (1)
• Message Number (3)
• Class Method (6)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_WRF_APC_DATA_COMM	Operational APC - Data Communication Class
2	Class	CL_WRF_APC_ITEM	Operational APC - Purchasing List Item Class
3	Class	CL_WRF_APC_ITEM_COLLECTION	Operational APC - Purchasing List Item Collection Class
4	Class	CL_WRF_APC_PURC_LIST_COL	Operational APC - Data Communication Class
5	Class	CL_WRF_APC_PURC_LIST_DEF	Operational APC - Purchasing List Definition Class
6	Class	CX_WRF_APC_PL_EXCEPTIONS	Operational APC - Purchasing List Exceptions
7	Class	CX_WRF_APC_ROOT_EXCEPTIONS	Operational APC - Global common exceptions