title: Plone valuator unable to find object
body: <p>Background:
  Colleague duplicated a site and then renamed it by copy and pasting in ZMI. The clients of the site then made one of the sites into a chinese version</p>
  
  <p>So we have these two sites on a server everything is fine and dandy, and then a couple months ago the copied site stopped working, all urls to it bring this error <a href="http://echinaapple-cn.ucdavis.edu" rel="nofollow">http://echinaapple-cn.ucdavis.edu</a> except instead of “copy_of_apple-check” it was a different value.</p>
  
  <p>I went into zmi undo on the copied site and couldn’t find anything that had the variable in it. I then went to the original site (that is was copied from) zmi undo and found that one of the users deleted a page that had that name on it. I reverted that change and magically the copied site back up.</p>
  
  <p>So now I’m in the same boat, and I see the action from 12/24/2014 that renamed something from copy_of_apple-check. The problem this time is when I try and undo plone gives me an error saying "Some data were modified by a later transaction Undo error”</p>
  
  <p>Here is the only action in the ZMI undo that has copy_of_apple-check </p>
  
  <pre><code>/ChinaApple/folder_rename_form
  Renamed ['/ChinaApple/dwarf-orchard-management/elearning/copy5_of_irrigation-of-high-density-orchards', '/ChinaApple/dwarf-orchard-management/elearning/copy_of_irrigation-of-high-density-orchards', '/ChinaApple/dwarf-orchard-management/elearning/copy4_of_irrigation-of-high-density-orchards', '/ChinaApple/dwarf-orchard-management/elearning/copy2_of_irrigation-of-high-density-orchards', '/ChinaApple/dwarf-orchard-management/elearning/copy3_of_irrigation-of-high-density-orchards', '/ChinaApple/dwarf-orchard-management/elearning/copy_of_apple-check'] by ChinaApple nmmadden
  </code></pre>
  
  <p>One of the biggest things that we can’t figure out is why the original site would still be affecting the copied site, that and how to fix the bloody thing.</p>
  
  <p>We both tried to find similar errors on google but to no avail.</p>
  
  <p>Things we’ve tried:</p>
  
  <ol>
  <li><p>adding a page in the same place on the original site with the same url</p></li>
  <li><p>reverting multiple lines</p></li>
  <li><p>deleting the copy_of_apple-check in zmi on the chinese version (gave big error)</p></li>
  </ol>
  
  <p>We can’t revert the server because we only have three days ago</p>
  
  <p>If you guys have heard of this or have any ideas please let me know otherwise thanks for your time!</p>
  
  <p>Original site:
  http:// echinaapple.ucdavis.edu</p>
  
  <p>copied unaccessible site:
  http:// echinaapple-cn.ucdavis.edu</p>