SAP ABAP Message Number 01 - 279 (01) is used by

• Class (3)
• Function Module (4)
• Program (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_IDENTITY Method: CHECK_ROOT	Identity Class	SUSR_IDENTITY	BASIS	SAP_BASIS
2	Class	CL_IDENTITY Method: INSTANTIATION_FOR_DISTRIBUTION	Identity Class	SUSR_IDENTITY	BASIS	SAP_BASIS
3	Class	CL_IDENTITY Method: INSTANTIATION_BY_MODE	Identity Class	SUSR_IDENTITY	BASIS	SAP_BASIS