title: Errcode 13 error on delete of table
body: <p>While attempting to drop a database in MySQL, an error message appears:</p>
  
  <blockquote>
    <p>MySQL said: Documentation
     # 6 - Error on delete of './bedrock/grouprec.MYI' (Errcode: 13</p>
  </blockquote>
  
  <p>I was logged in as root user with all privileges.</p>
  
  <p>What's the cause of this error, and how can this be remedied?</p>