Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/benjamincb/demos/acdg-site/vendor/league/flysystem-bundle/src/DependencyInjection/FlysystemExtension.php:31 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/league/flysystem-bundle/src/DependencyInjection/FlysystemExtension.php on line 31