Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Event\KernelEvent" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/http-kernel/Event/ControllerArgumentsEvent.php:29
Stack trace:
#0 {main}
thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/http-kernel/Event/ControllerArgumentsEvent.php on line 29