Fatal error: Uncaught Error: Interface "MediaWiki\CheckUser\Investigate\Pagers\PagerFactory" not found in /usr/www/otte/public/sphunt1/extensions/CheckUser/src/Investigate/Pagers/PreliminaryCheckPagerFactory.php:13 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/CheckUser/src/Investigate/Pagers/PreliminaryCheckPagerFactory.php on line 13