Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Container" not found in /home/technoon/public_html/demo/yondy/var/cache/dev/ContainerZB9D8xd/App_KernelDevDebugContainer.php:17 Stack trace: #0 {main} thrown in /home/technoon/public_html/demo/yondy/var/cache/dev/ContainerZB9D8xd/App_KernelDevDebugContainer.php on line 17