Fatal error: Uncaught Error: Interface "Zend\Mail\Header\HeaderInterface" not found in /home/systemdecorcom/public_html/sg/util/nfephp/vendor/zendframework/zend-mail/src/Header/GenericHeader.php:14 Stack trace: #0 {main} thrown in /home/systemdecorcom/public_html/sg/util/nfephp/vendor/zendframework/zend-mail/src/Header/GenericHeader.php on line 14