Fatal error: Uncaught Error: Interface 'Symfony\Component\Config\Definition\ConfigurationInterface' not found in C:\Apache24\htdocs\cwlms\vendor\symfony\security-bundle\DependencyInjection\MainConfiguration.php:28 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwlms\vendor\symfony\security-bundle\DependencyInjection\MainConfiguration.php on line 28