Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\RequestEvent" not found in /home/admin/public_html/demo.admin.smartera.co.in/vendor/symfony/http-kernel/Event/ExceptionEvent.php:30 Stack trace: #0 {main} thrown in /home/admin/public_html/demo.admin.smartera.co.in/vendor/symfony/http-kernel/Event/ExceptionEvent.php on line 30