Fatal error: Uncaught Error: Class 'Vich\UploaderBundle\Storage\AbstractStorage' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\vich\uploader-bundle\Storage\FlysystemStorage.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\vich\uploader-bundle\Storage\FlysystemStorage.php on line 15