go to config.php and enable the debug mode. Then run the script and if you got some permission issues, go to config.php and enable ftp mode.
If is not that, you may have a issue with this:
Alıntı
define('PATH_SERVER', $_SERVER['DOCUMENT_ROOT']);
If your server resolves some different path that the one you see in your ftp, chevereto will not work. So change $_SERVER['DOCUMENT_ROOT'] for some like 'public_html/mychevereto/' with quotes.