SAP ABAP Message Number 01 - 264 (01) is used by

• Class (1)
• Function Module (9)
• Program (5)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_SUSR_BASIC_TOOLS Method: AUTH_CHECK_BY_BNAME	Tools for User and Authorization Administration	SUSR	BASIS	SAP_BASIS