Fatal error: Uncaught Error: Class "MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel" not found in /usr/www/otte/public/sphunt1/extensions/DiscussionTools/includes/Notifications/SubscribedNewCommentPresentationModel.php:22 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/DiscussionTools/includes/Notifications/SubscribedNewCommentPresentationModel.php on line 22