Fatal error: Uncaught Error: Class "MediaWiki\Rest\SimpleHandler" not found in /usr/www/otte/public/sphunt1/extensions/CheckUser/src/Api/Rest/Handler/UserInfoHandler.php:20 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/CheckUser/src/Api/Rest/Handler/UserInfoHandler.php on line 20