Fatal error: Uncaught Error: Class "Zend\Mail\Storage\Part\File" not found in /home/mailtrim/public_html/vendor-backup/zendframework/zend-mail/src/Storage/Message/File.php:12 Stack trace: #0 {main} thrown in /home/mailtrim/public_html/vendor-backup/zendframework/zend-mail/src/Storage/Message/File.php on line 12