title: MS-access reports - The search key was not found in any record - on save
body: <p>Occasionally my MS Access reports: </p>
  
  <blockquote>
    <p>The search key was not found in any record</p>
  </blockquote>
  
  <p>After this happens the solution is to close Access, compact and
  repair the backend and then delete the record.</p>
  
  <p>What causes this and how can I avoid it?</p>