I did what you said, now I get this...
Warning: require_once(webassist/forms/persist.php): failed to open stream: No such file or directory in /home/web/users/1773.admin12/sites/dev.shotlock/public_html/cart/cart.php on line 1
Fatal error: require_once(): Failed opening required 'webassist/forms/persist.php' (include_path='.:/usr/local/php-5.5.9/lib/php') in /home/web/users/1773.admin12/sites/dev.shotlock/public_html/cart/cart.php on line 1