title: Using Protobuf-net, I suddenly got an exception about an unknown wire-type
body: <p>(this is a re-post of a question that I saw in my RSS, but which was deleted by the OP. I've re-added it because I've seen this question asked several times in different places; wiki for "good form")</p>
  
  <p>Suddenly, I receive a <code>ProtoException</code> when deserializing and the message is: unknown wire-type 6</p>
  
  <ul>
  <li>What is a wire-type?</li>
  <li>What are the different wire-type values and their description?</li>
  <li>I suspect a field is causing the problem, how to debug this?</li>
  </ul>