Создал первое WCF Console Application по примеру. Ругается на кодировку utf8

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <!-- For more information on Entity Framework configuration, visit [url]http://go.microsoft.com/fwlink/?LinkID=237468[/url] -->
    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
  </configSections>
  <connectionStrings><add name="uorpEntities" connectionString="metadata=res:
//*/Model1.csdl|res://*/Model1.ssdl|res://*/Model1.msl;provider=MySql.Data.MySqlClient;provider connection 
string=&quot;server=localhost;user id=root;password=1;persistsecurityinfo=True;database=uorp&quot;" 
providerName="System.Data.EntityClient" /><add name="uorpEntities1" 
connectionString="metadata=res://*/Model2.csdl|res://*/Model2.ssdl|res://*/Model2.msl;provider=MySql.Data.MySqlClient;
provider connection string=&quot;server=localhost;user id=root;password=1;database=uorp;characterset=utf8;persistsecurityinfo=True&quot;" providerName="System.Data.EntityClient" /></connectionStrings>
  <entityFramework>
    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
      <parameters>
        <parameter value="v12.0" />
      </parameters>
    </defaultConnectionFactory>
  </entityFramework>
  
  <system.serviceModel>
    <services>
      <service name="ProductService.WCFProductService">
        <endpoint address="http://localhost:9998/ProductService" binding="basicHttpBinding" bindingConfiguration="" name="ProductServiceEndpoint" contract="ProductInterfaces.IWCFProductService" />
      </service>
    </services>
  </system.serviceModel>
</configuration>

using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;
 
namespace ProductService
{
    class Program
    {
        static void Main(string[] args)
        {
            using (ServiceHost host = new ServiceHost(typeof(WCFProductService)))
            {
                host.Open();
                Console.WriteLine("Server is OPEN!!!");
                Console.WriteLine("<Press ENTER to close server>");
                Console.ReadLine();
 
            }
        }
    }
}

using ProductInterfaces;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
 
namespace ProductService
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "WCFProductService" in both code and config file together.
    public class WCFProductService : IWCFProductService
    {
        public List<long> ListProducts()
        {
            Console.WriteLine("Qwery from client!");
            List<long> productsList = new List<long>();
            try
            {
                using (uorpEntities1 database = new uorpEntities1())
                {
                    foreach (var p in database.upr_ytochnen)
                            productsList.Add(Convert.ToInt64(p.Chislennost));
                }
            }
            catch { }
            return productsList;
        }
    }
}

using ProductInterfaces;
using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;
 
namespace ProductsClient
{
    class Program
    {
        static void Main(string[] args)
        {
            
 
                ChannelFactory<IWCFProductService> channelFactory =
                new ChannelFactory<IWCFProductService>("ProductServiceEndpoint");
 
            IWCFProductService proxy = channelFactory.CreateChannel();
 
            //calls the server
            List<long> products = proxy.ListProducts();//тут ошибка!!!!!!!!!!!!!!!!!!!
 
            foreach(var p in products)
            {
                Console.WriteLine(p);
            }
            Console.ReadLine();
        }
    }
}

[OperationContract]
        int addition(int a, int b);

public int addition(int a, int b)
            {
            return (a + b);
            }

 Console.WriteLine(proxy.addition(155, 45));//ошибка! ругается на utf8!!!

namespace ProductInterfaces
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IWCFProductService" in both code and config file together.
    [ServiceContract]
    public interface IWCFProductService
    {
        [OperationContract]
        List<long> ListProducts();
 
        [OperationContract]
        int addition(int a, int b);
    }
}

int number; bool result;
                    foreach (var p in database.upr_ytochnen)
                    {
                        result = int.TryParse(p.ToString(), out number);
                        productsList.Add(number);
                    }

public ProductData get(long id)
        {
            ProductData pr = new ProductData();
            try
            {
                using (uorpEntities1 database = new uorpEntities1())
                {
                    var query = from pros in database.upr_ytochnen
                                where pros.KeyColumn == id
                                select pros;
                    upr_ytochnen p = query.FirstOrDefault();
                    
                    pr.key = p.KeyColumn;
                    pr.dep = p.DepYear;
                    pr.chis = Convert.ToInt64(p.Chislennost);
                    pr.tenge = Convert.ToInt64(p.Tenge);
                }
                
            }
            catch { }
            return pr;
        }

namespace ProductInterfaces
{
    public class ProductData
    {
        public long key { get; set; }
        public string dep { get; set; }
        public long chis { get; set; }
        public long tenge { get; set; }
 
    }
}

[OperationContract]
        ProductData get(long DEP);

static void Main(string[] args)
        {
            
 
                ChannelFactory<IWCFProductService> channelFactory =
                new ChannelFactory<IWCFProductService>("ProductServiceEndpoint");
 
            IWCFProductService proxy = channelFactory.CreateChannel();
            Console.WriteLine("Enter go");
            string input = Console.ReadLine();
            if (input == "go")
            {
                List<long> products = proxy.ListProducts();
 
                foreach (var p in products)
                {
                    Console.WriteLine(p);
                }
                Console.WriteLine("Enter number!");
                long pn = Convert.ToInt64(Console.ReadLine());
                ProductData data = proxy.get(pn);
                Console.WriteLine("id - {0}, dep - {1}, chisl - {2}, tg - {3}", data.key, data.dep, data.chis, data.tenge);
                Console.ReadKey();
            }
        }