fail.RequestId.Id = req.RequestId.Id
fail.RequestId.InstanceId = req.RequestId.InstanceId
fail.FunctionId = req.FunctionId
+ fail.Cause.Content = e2ap.E2AP_CauseContent_RICrequest
+ fail.Cause.Value = e2ap.E2AP_CauseValue_RICrequest_control_message_invalid
return fail
}