Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /home/kiwakim/stock/vendor/friendsofphp/php-cs-fixer/src/Event/Event.php:28 Stack trace: #0 {main} thrown in /home/kiwakim/stock/vendor/friendsofphp/php-cs-fixer/src/Event/Event.php on line 28