title: How do I fix the SVN error: "is already a working copy for a different URL"?
body: <p>In attempting to figure out why we are getting this error I looked <a href="https://stackoverflow.com/questions/933390/try-to-svn-checkout-but-get-svn-is-already-a-working-copy-for-a-different">at this question.</a></p>
  
  <p>Unfortunately it is not the same issue and the answers were unhelpful.</p>
  
  <p>Our repository has an external property - and it was this directory that was showing the error when doing a "fresh" checkout.</p>
  
  <p>The issue we discovered is:</p>
  
  <ol>
  <li>The project has an external property on a folder</li>
  <li>We someone then added a folder in the same place with the name of the subfolder in that property</li>
  </ol>
  
  <p>\trunk\project
  \trunk\project\foo has an external with property of: bar pointing to some url</p>
  
  <p>someone then committed a folder called bar under foo</p>
  
  <p>This screws up everything.  (there are now two copies of the folder with conflicting information about the svn url)</p>