title: ORA-00054 Resource busy when dropping table
body: <p>Can somebody explain this error?</p>
  
  <blockquote>
    <p>ORA-00054: Resource busy and aquire with NOWAIT specified</p>
  </blockquote>
  
  <p>This error came in a <code>DROP TABLE</code>.  Because of it, procedures and packages are not getting compiled.</p>