Fatal error: Uncaught Error: Class 'Concrete\Core\Entity\Notification\Notification' not found in /home/gmcguire/public_html/concrete5/concrete/src/Entity/Notification/NewConversationMessageNotification.php:17 Stack trace: #0 {main} thrown in /home/gmcguire/public_html/concrete5/concrete/src/Entity/Notification/NewConversationMessageNotification.php on line 17