Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Event\KernelEvent' not found in /home/daisoftwareco/public_html/subdomains/sfilesdev/vendor/symfony/http-kernel/Event/ControllerEvent.php:28 Stack trace: #0 {main} thrown in /home/daisoftwareco/public_html/subdomains/sfilesdev/vendor/symfony/http-kernel/Event/ControllerEvent.php on line 28