title: System.TypeLoadException: Could not resolve type with token 010000a4
body: <p>I am developing a Xamarin mobile app in Visual Studio 2019 (Windows 10).
  Calling WCF web services the following error shows up, please guide me if you have a solution.</p>
  
  <pre><code> void SubmitEvent(object sender, EventArgs e)
          {
              // DisplayAlert("Status","Record Found","OK"); 
              CallWCF();
          }
          private void CallWCF()
          {
             var address = new EndpointAddress("http://url.in/service.svc");
              WSHttpBinding bind = new WSHttpBinding();
  
             var wcf = new ServiceReference1.serviceQueryClient(bind, address);
  
              var _rVE = new ServiceReference1.ReceiptVaahanQueryEntity();                
  
              wcf.SBSReceiptVaahanQueryAsync(_rVE);
  
          }
  </code></pre>
  
  <p>Error:</p>
  
  <blockquote>
    <p>System.TypeLoadException   Message=Could not resolve type with token
    010000a4 from typeref (expected class
    'System.ServiceModel.WSHttpBinding' in assembly
    'System.ServiceModel.Http, Version=4.7.0.0, Culture=neutral,
    PublicKeyToken=b03f5f7f11d50a3a')</p>
  </blockquote>