Fatal error: Uncaught Error: Class "MediaWiki\Extension\Notifications\Formatters\EchoMentionPresentationModel" not found in /home/floten1/q.tenbergen.ca/extensions/DiscussionTools/includes/Notifications/EnhancedEchoMentionPresentationModel.php:15 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/DiscussionTools/includes/Notifications/EnhancedEchoMentionPresentationModel.php on line 15