SAP ABAP Message Class MM (Messages for material master maintenance and Customizing) is used by

• Class (8)
• Function Module (110)
• Program (138)
• Table (2997)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_IM_ECM_UNDO_MATERIAL Method: IF_EX_ECM_UNDO~UNDO_OBJECT	Implementation Class for BAdI Imp. ECM_UNDO_MATERIAL	CC01	APPL	SAP_APPL
2	Class	CL_MDG_BS_MAT_API Method: ERP_CHECKS_EXTWG	Sydney Material API Layer	MDG_BS_MAT_API	MDG_APPL	MDG_APPL
3	Class	CL_MDG_BS_MAT_API Method: ERP_CHECKS_MARC_MRPPP	Sydney Material API Layer	MDG_BS_MAT_API	MDG_APPL	MDG_APPL
4	Class	CL_MDG_BS_MAT_API Method: CHECK_AUTHORITY	Sydney Material API Layer	MDG_BS_MAT_API	MDG_APPL	MDG_APPL
5	Class	CL_MDG_BS_MAT_API Method: ERP_CHECKS_EAN11	Sydney Material API Layer	MDG_BS_MAT_API	MDG_APPL	MDG_APPL
6	Class	CL_MDG_BS_MAT_API Method: ERP_CHECKS_WRKST	Sydney Material API Layer	MDG_BS_MAT_API	MDG_APPL	MDG_APPL
7	Class	CL_R3_OLR3_PLANTMATERIAL Method: IF_OLR3_PROXY~CHECK_CONSISTENCY	Object Link R3, Plant Material	R3_OBJECTLINK_R3	PI_APPL	SAP_APPL
8	Class	J1BCONSI	Consignment for Brazil	J1BA	APPL	SAP_APPL