Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\vich\uploader-bundle\src\Event\Event.php:13 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\vich\uploader-bundle\src\Event\Event.php on line 13