Fatal error: Uncaught Error: Interface 'Swift_Events_SendListener' not found in /var/www/html/tugas/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/MessageLogger.php:16 Stack trace: #0 {main} thrown in /var/www/html/tugas/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Plugins/MessageLogger.php on line 16