Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Container" not found in /home/iotechtniu/ioacademy/var/cache/dev2/ContainerQgIfNnP/App_KernelDevDebugContainer.php:17 Stack trace: #0 /home/iotechtniu/ioacademy/var/cache/dev2/App_KernelDevDebugContainer.php(7): include() #1 {main} thrown in /home/iotechtniu/ioacademy/var/cache/dev2/ContainerQgIfNnP/App_KernelDevDebugContainer.php on line 17