title: VS 2015 RC Build Error NotifyPropertyWeaver: Unhandled exception occurred Microsoft.Cci.Pdb.PdbDebugException: Unknown custom metadata item kind: 6
body: <p>So trying to build my first real project in VS 2015 RC I get the error:</p>
  
  <pre><code>NotifyPropertyWeaver: Unhandled exception occurred Microsoft.Cci.Pdb.PdbDebugException: Unknown custom metadata item kind: 6
  </code></pre>
  
  <p>After trying various things, including Cleaning the Solution, clearing the Read-Only from the solution folder, taking ownership of the folder, I'm still unable to build the solution.</p>
  
  <p>This seems to be a related bug, but it looks like it was resolved back in 2014:
  <a href="https://github.com/jbevain/cecil/issues/186" rel="nofollow">https://github.com/jbevain/cecil/issues/186</a> I'd assume this would already be in the RC version.</p>
  
  <p><strong>Update:</strong> Just installed VS 2015 Enterprise, and I'm having the same problem there as well!</p>