Fatal error: Uncaught Error: Class 'Swift_SwiftException' not found in /home/httpsrejanstsapp/public_html/protected/extensions/yii-mail/vendors/swiftMailer/classes/Swift/IoException.php:18 Stack trace: #0 {main} thrown in /home/httpsrejanstsapp/public_html/protected/extensions/yii-mail/vendors/swiftMailer/classes/Swift/IoException.php on line 18