Fatal error: Uncaught Error: Class 'Symfony\Contracts\EventDispatcher\Event' not found in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5 - copia\vendor\symfony\notifier\Event\MessageEvent.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5 - copia\vendor\symfony\notifier\Event\MessageEvent.php on line 22