Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in /var/www/vhosts/nationalida.com/httpdocs/symfony/app/AppKernel.php:6 Stack trace: #0 /var/www/vhosts/nationalida.com/httpdocs/symfony/web/app.php(7): require_once() #1 {main} thrown in /var/www/vhosts/nationalida.com/httpdocs/symfony/app/AppKernel.php on line 6