SAP ABAP Message Number BRF - 391 (BRF) is used by

• Class (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_CALL_FUNC_METHOD_MNT_BRF Method: HANDLE_ERROR_391	BRF: Maintenance - Expression - Function Module	SBRF	BASIS	SAP_BASIS