Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/core-bundle/src/Cache/ContaoCacheWarmer.php:33 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/core-bundle/src/Cache/ContaoCacheWarmer.php on line 33