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