Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\ContainerAwareInterface' not found in C:\xampp\htdocs\admin\vendor\symfony\http-kernel\Bundle\BundleInterface.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\symfony\http-kernel\Bundle\BundleInterface.php on line 23