Fatal error: Uncaught Error: Interface "MediaWiki\CheckUser\Hook\CheckUserFormatRowHook" not found in /usr/www/otte/public/sphunt1/extensions/CheckUser/src/Hook/HookRunner.php:12 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/CheckUser/src/Hook/HookRunner.php on line 12