Fatal error: Uncaught Error: Class "MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel" not found in /home/floten1/q.tenbergen.ca/extensions/DiscussionTools/includes/Notifications/CommentThanksPresentationModel.php:21 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/DiscussionTools/includes/Notifications/CommentThanksPresentationModel.php on line 21