Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\HttpKernelInterface" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/friendsofsymfony/http-cache/src/SymfonyCache/CacheInvalidation.php:22 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/friendsofsymfony/http-cache/src/SymfonyCache/CacheInvalidation.php on line 22