SAP ABAP Message Number ME - 816 (ME) is used by

• Class (6)
• Function Module (5)
• Program (16)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_MESSAGE_HANDLER_MM Method: ADD	Message Handler	ME	APPL	SAP_APPL
2	Class	CL_PO_HEADER_HANDLE_MM Method: IF_RELEASABLE_MM~INITIATE_RELEASE	Handle of a Purchasing Document	ME	APPL	SAP_APPL
3	Class	CL_PO_HEADER_HANDLE_MM Method: PO_CHECK	Handle of a Purchasing Document	ME	APPL	SAP_APPL
4	Class	CL_PO_HEADER_HANDLE_MM Method: EXPAND_FROM_REQUISITIONS	Handle of a Purchasing Document	ME	APPL	SAP_APPL
5	Class	CL_PO_HEADER_HANDLE_MM Method: PO_POST	Handle of a Purchasing Document	ME	APPL	SAP_APPL
6	Class	CL_PO_HEADER_HANDLE_MM Method: IF_RELEASABLE_MM~REJECT	Handle of a Purchasing Document	ME	APPL	SAP_APPL