Help Me!!!

 private void buttonStartRobot_Click(object sender, RoutedEventArgs e)
 {
 this.GuiAsync(() =>
 {
 if (_portfolio == null)
 {
 MessageBox.Show("Портфель не задан");
return;
 }
 /*
 if (_security == null)
 {
 MessageBox.Show("Инструмент не задан");
return;
 }*/

 if (Securities.SelectedSecurity == null)
 {
 MessageBox.Show("Не выбран инструмент!");
return;
 }

 if (Muzrik == null)
 {
 MessageBox.Show("Терминал не задан");
return;
 }

 Muzrik.RegisterMarketDepth(Securities.SelectedSecurity);

 //Создаем менеджер
_candleManager = new CandleManager(Muzrik);
 _candleSeries = new CandleSeries(typeof(TickCandle), Securities.SelectedSecurity, 1);
 _candleManager.Start(_candleSeries);


 if (_strategy == null)
 {
 //создаем торговую стратегию
_strategy = new RobotStrategy(_candleManager, _candleSeries, _timeFrame, _slippage, 
 _alert_volume, _stop_long, _stop_short, _profit_long, _profit_short,
 _ots_long, _ots_short, _hour_close, _minute_close)
 {
 Volume = _kol,
 Security = Securities.SelectedSecurity,
 //Security = _security,
 Portfolio = _portfolio,
 Trader = Muzrik
 };

 //Лог
_logManager.Sources.Add(_strategy);

 //Создаем генератор отчетов (не доделано)
 //ExcelStrategyReport report = new ExcelStrategyReport(_strategy, String.Format("report\\{0}_{1:00}_{2:00}.xls", DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day));
 //report.Generate();

 if (_strategy.ProcessState == ProcessStates.Stopped)
 {
 _strategy.Start();
 }

 buttonStartRobot.IsEnabled = false;
 buttonStopRobot.IsEnabled = true;
 }
 });
 }

if (_strategy == null)
 {
 //создаем торговую стратегию
_strategy = new RobotStrategy(_candleManager, _candleSeries, _timeFrame, _slippage, 
 _alert_volume, _stop_long, _stop_short, _profit_long, _profit_short,
 _ots_long, _ots_short, _hour_close, _minute_close)
 {
 Volume = _kol,
 Security = Securities.SelectedSecurity,
 //Security = _security,
 Portfolio = _portfolio,
 Trader = Muzrik
 };

Muzrik.RegisterMarketDepth(Securities.SelectedSecurity);