title: Joomla error: 'Illegal variable _files or _env or _get or _post or _cookie or _server or _session or globals passed to script'
body: <p>I am getting this error in Joomla:</p>
  
  <pre><code>Illegal variable `_files` or `_env` or `_get` or `_post` or `_cookie`
  or `_server` or `_session` or `globals` passed to script.
  </code></pre>
  
  <p>I didn't get much help googling.</p>