Fatal error: Uncaught Error: Interface "Swift_Events_ResponseListener" not found in /home/cfostools/public_html/magic.reveroplanner.com/vendor/wildbit/swiftmailer-postmark/src/Postmark/ThrowExceptionOnFailurePlugin.php:5 Stack trace: #0 {main} thrown in /home/cfostools/public_html/magic.reveroplanner.com/vendor/wildbit/swiftmailer-postmark/src/Postmark/ThrowExceptionOnFailurePlugin.php on line 5