SAP ABAP Message Number UCF2 - 021 (UCF2) is used by

• Class (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_UC_CTR_CTKEY_GUI Method: IF_UC_CUST_GUI_EXT~LOAD	C/T: Translation Keys	UCF2	SEM-BW	SEM-BW
2	Class	CL_UC_CTR_CTKEY_GUI Method: IF_UC_CUST_GUI_EXT~CALL_PAI_COMMAND	C/T: Translation Keys	UCF2	SEM-BW	SEM-BW
3	Class	CL_UC_CTR_CUST_FACTORY Method: IF_UG_MD_CHAR~CREATE_VALUE_INSTANCE	C/T: Customizing with Customer Namespace	UCF2	SEM-BW	SEM-BW
4	Class	CL_UC_CTR_XRPROC_GUI Method: IF_UC_CUST_GUI_EXT~LOAD	C/T: Procedure for Exchange Rate Determination	UCF2	SEM-BW	SEM-BW