Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Container" not found in D:\xampp\htdocs\pimcore\my-project\var\cache\dev\ContainerIJo1NWb\App_KernelDevDebugContainer.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\var\cache\dev\ContainerIJo1NWb\App_KernelDevDebugContainer.php on line 17