SAP ABAP Message Number W5 - 100 (W5) is used by

• Function Module (4)
• Program (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	BAPI_PO_RELEASE	Release Purchase Orders	MEW	APPL	SAP_APPL
2	Function Module	BAPI_PO_RESET_RELEASE	Cancel Release of Purchase Orders	MEW	APPL	SAP_APPL
3	Function Module	BAPI_REQUISITION_RELEASE	Release Purchase Requisition Item by Item	MEW	APPL	SAP_APPL
4	Function Module	BAPI_REQUISITION_RESET_RELEASE	Cancel Release of Purchase Requisition Items	MEW	APPL	SAP_APPL