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

• Class (9)
• Function Module (3)
• Program (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_UMB_ADVICE_WF_MODEL Method: LOAD_DATA_OF_DISPATCH_INIT	Strategic Advice: Workflow	UMB_ADVISE	SEM-BW	SEM-BW
2	Class	CL_UMB_EBB_CONTENT_HEADER Method: ON_BUTTON_CLICKED	The Header of Content Repository	UMB	SEM-BW	SEM-BW
3	Class	CL_UMB_EBB_CONTENT_HEADER Method: ON_ENTERED	The Header of Content Repository	UMB	SEM-BW	SEM-BW
4	Class	CL_UMB_OFL_APPLICATION Method: CHECK_SCARD	Application Class for BSC Offline	UMB	SEM-BW	SEM-BW
5	Class	CL_UMB_OFL_APPLICATION Method: CHECK_CMP_SCARD	Application Class for BSC Offline	UMB	SEM-BW	SEM-BW
6	Class	CL_UMB_WIZARD_RM02 Method: ON_STEP_SUBMIT	Controller Class for SC_WIZARD	UMB_WIZARD	SEM-BW	SEM-BW
7	Class	CL_UMB_WIZARD_RM04 Method: PROCESS_R501	Controller Class for SC_WIZARD	UMB_WIZARD	SEM-BW	SEM-BW
8	Class	CL_UMB_WIZARD_RM05 Method: ON_STEP_SUBMIT	Controller Class for SC_WIZARD	UMB_WIZARD	SEM-BW	SEM-BW
9	Class	CL_UMB_WIZARD_RM06 Method: ON_STEP_SUBMIT	Class for Controller "rm06.do"	UMB_WIZARD	SEM-BW	SEM-BW