Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Event\KernelEvent' not found in /home/noct-c/www/tanakahashi/vendor/symfony/http-kernel/Event/FilterResponseEvent.php:21
Stack trace:
#0 {main}
thrown in /home/noct-c/www/tanakahashi/vendor/symfony/http-kernel/Event/FilterResponseEvent.php on line 21