Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\ContainerInterface" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\dependency-injection\Container.php:48 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\dependency-injection\Container.php on line 48