title: can not add any other files in addition to DLLs into my MSI build nant file
body: <p><strong>The following codes work</strong>
      
      
      
      
      
      
      
      </p>
  
  <p>But this codes gives an error: BUILD FAILED - NESTED BUILD FAILED -Object reference not set to an instance of an object.</p>
  
  <pre><code>&lt;component keepsubdirs="true" name="C__WebConfig" 
  id="{E2FDCB8C-64AB-4E0A-9FF5-CAF4B940562B}" 
  
  attr="0" directory="TARGETDIR" feature="F__WebConfig"&gt;
  
  &lt;key file="Web.config" /&gt;
  &lt;fileset basedir="${Source.Dir}"&gt;
  &lt;include name="Web.config" /&gt;
  &lt;/fileset&gt;
  &lt;/component&gt;  
  </code></pre>
  
  <p>Note:
  web.config file or any file will not be added to MSI - please help</p>