title: WordPress - PHP Warning failed to open stream: No such file or directory (advanced-cache.php)
body: <p>I'm getting this PHP Warning on back-end and front-end pages (WordPress) and can't figure out how to fix it:</p>
  <blockquote>
  <p>Warning: include(/home/.../public_html/wp-content/advanced-cache.php): failed to open stream: No such file or directory in /home/.../public_html/wp-settings.php on line 84</p>
  <p>Warning: include(): Failed opening '/home/.../public_html/wp-content/advanced-cache.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/.../public_html/wp-settings.php on line 84</p>
  </blockquote>
  <p>Indeed, there is no advanced-cache.php in that directory (not sure if ever was), but absolutely the same configuration works on a different server without warnings.</p>
  <p>Will appreciate any help. Thanks.</p>