Fatal error: Uncaught Error: Class "MediaWiki\CheckUser\Investigate\Services\ChangeService" not found in /home/floten1/q.tenbergen.ca/extensions/CheckUser/src/Investigate/Services/CompareService.php:15 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/CheckUser/src/Investigate/Services/CompareService.php on line 15