SAP ABAP Message Number WUF - 000 (WUF) is used by

• Class (6)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_WUF_CHECK_CHECK	Check Inspection Class	WUF_PERS	APPL	SAP_APPL
2	Class	CL_WUF_CHECK_COND_CLASS	Check Condition Class	WUF_PERS	APPL	SAP_APPL
3	Class	CL_WUF_CHECK_CONVERSION	Check Conversion Class	WUF_PERS	APPL	SAP_APPL
4	Class	CL_WUF_CHECK_METHOD	Check Method	WUF_PERS	APPL	SAP_APPL
5	Class	CL_WUF_CHECK_TRANS_CLASS	Check Transformation Class	WUF_PERS	APPL	SAP_APPL
6	Class	CL_WUF_CLASS_PROPERTIES	Qualities of a Class	WUF_GENERAL	APPL	SAP_APPL