Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/eberhardschwarze/public_html/vendor/sensio/distribution-bundle/DependencyInjection/SensioDistributionExtension.php:15 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/sensio/distribution-bundle/DependencyInjection/SensioDistributionExtension.php on line 15