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