Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Session\Storage\Proxy\AbstractProxy" not found in /var/www/html/usophy/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php:17 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/symfony/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php on line 17