Fatal error: Uncaught Error: Interface "Zend\Mail\Header\UnstructuredInterface" not found in /home/mailtrim/public_html/vendor-backup/zendframework/zend-mail/src/Header/Subject.php:18
Stack trace:
#0 {main}
thrown in /home/mailtrim/public_html/vendor-backup/zendframework/zend-mail/src/Header/Subject.php on line 18