SAP ABAP Message Number MDG_GN - 021 (MDG_GN) is used by

• Class (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_MDG_GN_DOMA Method: IF_MDG_OBJ_META_DESCRIPT~GET_META_DESCRIPT	Represents a Domain	MDG_GENERATOR	MDG_FND	MDG_FND
2	Class	CL_MDG_GN_DTEL Method: FETCH_DDIC	Represents a Data Element	MDG_GENERATOR	MDG_FND	MDG_FND
3	Class	CL_MDG_GN_OBJECT Method: CONSTRUCTOR	Object in Context of the Generator	MDG_GENERATOR	MDG_FND	MDG_FND
4	Class	CL_MDG_GN_STRU Method: FETCH_DDIC	Represents a Structure	MDG_GENERATOR	MDG_FND	MDG_FND