Fatal error: Uncaught Error: Class "AppKernel" not found in /var/www/prestashop/config/autoload.php:28 Stack trace: #0 /var/www/prestashop/config/config.inc.php(36): require_once() #1 /var/www/prestashop/index.php(27): require('...') #2 {main} thrown in /var/www/prestashop/config/autoload.php on line 28