Ошибки в скрипте c#.

 using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Net; 
using System.Text; 
using System.Threading.Tasks; 
using TwitchLib.Client; 
using TwitchLib.Client.Models; 
using TwitchLib.Communication.Interfaces; 
 
namespace App 
{ 
 
     public class Twitch_bot 
     { 
        private TwitchClient client = new TwitchClient(); 
        private ConnectionCredentials credentials = new ConnectionCredentials("ник бота", "токен"); 
     } 
    public Twitch_bot() 
    { 
        client.Initialize(credentials, "ник канала"); 
        
        client.Connect(); 
    } 
 
 
 
 
 
 
 
}