title: How can I troubleshoot : System.TypeLoadException?
body: <p>Can you show me a way to troubleshoot <strong>System.TypeLoadException</strong> ?</p>
  
  <p>I am having this exception for an existing project in my solution which I reference from a unit test project in the same solution.</p>
  
  <p>This exeption is thrown when I run my unit tests. They fail because of this exception:</p>
  
  <p>Details:</p>
  
  <blockquote>
    <p>Test method
    MyErrorHandler.Test.MyTest.Parse_RecievesValidMessage_ReturnsArray
    threw exception:  System.TypeLoadException: Could not load type
    'MyTestNameSpace' from assembly 'MyTestAssemblyName.Test,
    Version=1.0.0.0, Culture=neutral, PublicKeyToken=Somenumber.</p>
  </blockquote>
  
  <p>What should I check or where should I start to investigate?</p>