Fatal error: Uncaught Error: Interface "MediaWiki\Extension\UserMerge\Hooks\AccountFieldsHook" not found in /home/floten1/q.tenbergen.ca/extensions/CheckUser/src/HookHandler/UserMergeHandler.php:7 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/CheckUser/src/HookHandler/UserMergeHandler.php on line 7