title: Could not load assembly in Xamarin
body: <p>I am creating a xamarin apps and for some reason I get the error below on runtime.</p>
  <pre><code>System.TypeLoadException: 'Could not load type 'Xamarin.Forms.Xaml.XamlResourceIdAttribute' from assembly 'Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null'.'
  </code></pre>