SAP ABAP Message Number 00 - 781 (00) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	SUSR_USER_EXTID_SET	SUSR_USER_EXTID_SET	SUSR	BASIS	SAP_BASIS
2	Function Module	SUSR_USER_EXTID_SET_ALL	SUSR_USER_EXTID_SET_ALL	SUSR	BASIS	SAP_BASIS