SAP ABAP Message Number USMD2 - 123 (USMD2) is used by

• Class (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_USMD_ENTITY_GUI_WD Method: IF_USMD_EVENT_WD~ON_FPM_EVENT	Collective Processing of an Entity	USMD2_MAIN	MDG_FND	MDG_FND
2	Class	CL_USMD_ENTITY_VALUE2_GUI_WD Method: HANDLE_EVENT_START	Single Processing of an Entity	USMD2_ENTITY_VALUE2	MDG_FND	MDG_FND
3	Class	CL_USMD_ENTITY_VALUE_GUI_WD Method: IF_USMD_EVENT_WD~ON_FPM_EVENT	Single Processing of an Entity	USMD2_MAIN	MDG_FND	MDG_FND
4	Class	CL_USMD_MASS_CHANGE_GUI_WD Method: HANDLE_NEXT_STEP	Mass Change	USMD2_MAIN	MDG_FND	MDG_FND