Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in /home/astechc1/public_html/vendor/vich/uploader-bundle/src/DependencyInjection/VichUploaderExtension.php:22 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/vich/uploader-bundle/src/DependencyInjection/VichUploaderExtension.php on line 22