Fatal error: Uncaught Error: Interface "Doctrine\Common\Cache\MultiGetCache" not found in /opt/lampp/htdocs/forum/flarum/vendor/doctrine/cache/lib/Doctrine/Common/Cache/MultiOperationCache.php:10 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/doctrine/cache/lib/Doctrine/Common/Cache/MultiOperationCache.php on line 10