Fatal error: Uncaught Error: Class "Swift_Mime_Headers_UnstructuredHeader" not found in /home/byteshos/public_html/hrm.byteshosting.net/vendor/hfig/mapi/src/MAPI/Mime/Swiftmailer/Adapter/UnstructuredHeader.php:12 Stack trace: #0 {main} thrown in /home/byteshos/public_html/hrm.byteshosting.net/vendor/hfig/mapi/src/MAPI/Mime/Swiftmailer/Adapter/UnstructuredHeader.php on line 12