Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache-bundle/src/DependencyInjection/FOSHttpCacheExtension.php:31 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache-bundle/src/DependencyInjection/FOSHttpCacheExtension.php on line 31