Fatal error: Uncaught Error: Interface "MediaWiki\Rest\Handler\Helper\HtmlOutputHelper" not found in /var/www/html/orian-wiki/includes/Rest/Handler/Helper/HtmlOutputRendererHelper.php:69 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/includes/Rest/Handler/Helper/HtmlOutputRendererHelper.php on line 69