Fatal error: Uncaught Error: Class 'Symfony\Contracts\EventDispatcher\Event' not found in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5 - copia\vendor\vich\uploader-bundle\src\Event\Event.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.20.09.09.5 - copia\vendor\vich\uploader-bundle\src\Event\Event.php on line 13