Catchable fatal error: Argument 2 passed to Dou\Core\Foundation\Event\Event::listen() must be callable, array given, called in /www/wwwroot/www.esuncaster.com/core/foundation/event/MailNotificationRegistrar.php on line 50 and defined in /www/wwwroot/www.esuncaster.com/core/foundation/event/Event.php on line 44