Fatal error: Uncaught Error: Class 'Twig\Extension\AbstractExtension' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\vich\uploader-bundle\Twig\Extension\UploaderExtension.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\vich\uploader-bundle\Twig\Extension\UploaderExtension.php on line 14