SAP ABAP Message Number BRF - 170 (BRF) is used by

• Class (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_CONTROLLER_BRF Method: IF_CONTROLLER_BRF~PROCESS_EVENT	BRF: Controller	SBRF	BASIS	SAP_BASIS
2	Class	CL_DET_ASSIGNMNT_RS2_BRF Method: IF_DETERMINE_ASSIGNMENT_BRF~DETERMINE_ASSIGNMENT	Determines Rules to Be Processed from Rule Sets	SBRF	BASIS	SAP_BASIS
3	Class	CL_DET_ASSIGNMNT_RS_BRF Method: IF_DETERMINE_ASSIGNMENT_BRF~DETERMINE_ASSIGNMENT	Determines Rules to Be Processed from Rule Sets	SBRF	BASIS	SAP_BASIS