Fatal error: Uncaught Error: Class "MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel" not found in /home/reminder_calling/srg.kuality.ca/extensions/Echo/includes/Formatters/EchoMentionInSummaryPresentationModel.php:9 Stack trace: #0 {main} thrown in /home/reminder_calling/srg.kuality.ca/extensions/Echo/includes/Formatters/EchoMentionInSummaryPresentationModel.php on line 9