Fatal error: Uncaught Error: Class "Vich\UploaderBundle\Handler\AbstractHandler" not found in D:\htdocs\SuiteCRM\vendor\vich\uploader-bundle\src\Handler\UploadHandler.php:21 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\vich\uploader-bundle\src\Handler\UploadHandler.php on line 21