Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\KernelEvent" not found in /var/www/html/usophy/vendor/symfony/http-kernel/Event/ResponseEvent.php:27
Stack trace:
#0 {main}
thrown in /var/www/html/usophy/vendor/symfony/http-kernel/Event/ResponseEvent.php on line 27