Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/benjamincb/demos/acdg-site/vendor/scheb/2fa-bundle/DependencyInjection/SchebTwoFactorExtension.php:17 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/scheb/2fa-bundle/DependencyInjection/SchebTwoFactorExtension.php on line 17