Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\IntrospectableContainerInterface' not found in /home/www/public_html/admin/shared/codeigniter/vendor/symfony/dependency-injection/Container.php:62 Stack trace: #0 {main} thrown in /home/www/public_html/admin/shared/codeigniter/vendor/symfony/dependency-injection/Container.php on line 62