Warning: require_once(Zend/Mail/Part.php): Failed to open stream: No such file or directory in C:\SHC\xampp\htdocs\shc_mobile_backend\packages\zend\src\Zend\Mail\Message.php on line 26

Fatal error: Uncaught Error: Failed opening required 'Zend/Mail/Part.php' (include_path='C:\SHC\xampp\php\PEAR') in C:\SHC\xampp\htdocs\shc_mobile_backend\packages\zend\src\Zend\Mail\Message.php:26 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\packages\zend\src\Zend\Mail\Message.php on line 26