Fatal error: Uncaught Error: Interface "Zend_Mail_Part_Interface" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-mail\src\Zend\Mail\Part.php:30 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1-mail\src\Zend\Mail\Part.php on line 30