Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-bundle\DependencyInjection\MainConfiguration.php:30 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\security-bundle\DependencyInjection\MainConfiguration.php on line 30