Fatal error: Uncaught Error: Interface "League\CommonMark\Renderer\NodeRendererInterface" not found in /opt/lampp/htdocs/forum/flarum/vendor/league/commonmark/src/Extension/CommonMark/Renderer/Block/HtmlBlockRenderer.php:28 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/league/commonmark/src/Extension/CommonMark/Renderer/Block/HtmlBlockRenderer.php on line 28