using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

using StockSharp.Quik;
using StockSharp.Algo;
using StockSharp.BusinessEntities;
using StockSharp.Localization;
using StockSharp.Logging;
using StockSharp.Messages;

using MoreLinq;
using Ecng.Common;
using Ecng.Xaml;

using Ecng.ComponentModel;

using System.Security;
using System.Net;


namespace WpfApplication4
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
        QuikTrader connect;
        private readonly LogManager logger = new LogManager();
        private void button_Click(object sender, RoutedEventArgs e)
        {
            connect = new QuikTrader()
            {
                LuaLogin = "quik",
                LuaPassword = "quik".To<SecureString>(),
                LuaFixServerAddress = "127.0.0.1:5001".To<EndPoint>()
            };
            var Listen = new FileLogListener("log.txt");
            logger.Listeners.Add(Listen);
            logger.Sources.Add(connect);


        }
    }
}
ошибки: