Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Event\ConsoleEvent' not found in /home/noct-c/www/tanakahashi/vendor/symfony/console/Event/ConsoleErrorEvent.php:23 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/symfony/console/Event/ConsoleErrorEvent.php on line 23