title: Unhandled Exception: System.TypeLoadException: Could not resolve type with token 0100003b
body: <p>why this exception raised. how to solve the exception</p>
  
  <blockquote>
    <p>Unhandled Exception: </p>
    
    <p>09-15 15:00:05.973 E/mono    ( 5985):
    System.TypeLoadException: Could not resolve type with token 0100003b
    (from typeref, class/assembly Xamarin.Forms.Xaml.IReferenceProvider,
    Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral,
    PublicKeyToken=null) 09-15 15:00:05.973 E/mono    ( 5985):   at
    (wrapper dynamic-method) System.Object.7(intptr,intptr,intptr) 09-15
    15:00:05.974 E/mono-rt ( 5985): [ERROR] FATAL UNHANDLED EXCEPTION:
    System.TypeLoadException: Could not resolve type with token 0100003b
    (from typeref, class/assembly Xamarin.Forms.Xaml.IReferenceProvider,
    Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral,
    PublicKeyToken=null) 09-15 15:00:05.974 E/mono-rt ( 5985):   at
    (wrapper dynamic-method) System.Object.7(intptr,intptr,intptr)</p>
  </blockquote>
  
  <pre><code>public partial class MenuPage : MasterDetailPage
  {
      public MenuPage()
      {
          InitializeComponent();
      }
  }
  </code></pre>