Fatal error: Uncaught Error: Class "EchoEventPresentationModel" not found in /var/www/html/orian-wiki/extensions/OATHAuth/src/Notifications/EnablePresentationModel.php:27 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/extensions/OATHAuth/src/Notifications/EnablePresentationModel.php on line 27