SAP ABAP Message Number WUF - 012 (WUF) is used by

• Class (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_WUF_CHECK_PARA_FIELD	Check if Method Parameters and Structure Field Match	WUF_PERS	APPL	SAP_APPL
2	Class	CL_WUF_FACTORY	Factory for Transformations	WUF_MODEL	APPL	SAP_APPL