title: preupgradecheck site definition missing
body: <p>I have a missing site definition when i do a SharePoint 2007 preupgrade check, and I can't find any information on it online, nor do I know how to remove it. The details are...</p>
  
  <p>name = Unknown, language = 1033, template id = 15, count = 1, status = Missing</p>
  
  <p>There are no missing features, just this rogue side definition that is blocking my upgrade. Any ideas?</p>