SAP ABAP Message Class UCU1 (Messages for Assignment Screens) is used by

• Class (2)
• Program (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_UC_DYNAMIC_DOCUMENT Method: CHECK_DATA	Dynamic Document	UCUP	SEM-BW	SEM-BW
2	Class	CL_UC_PARAMETER Method: CHECK_LOCAL_PARAMETERS	Global parameters	UCMP	SEM-BW	SEM-BW