Fatal error: Uncaught Error: Class 'Metadata\ClassMetadata' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\vich\uploader-bundle\Metadata\ClassMetadata.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\vich\uploader-bundle\Metadata\ClassMetadata.php on line 7