Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/zdpktgd/ptc/vendor/symfony/ux-dropzone/src/DependencyInjection/DropzoneExtension.php:26 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor/symfony/ux-dropzone/src/DependencyInjection/DropzoneExtension.php on line 26