Problem
You see a Call to undefined method error when importing emails into the support ticket system:
Call to undefined method WHMCS\Mail\Incoming\Mailbox::getRawHeader()
You may no longer be able to import email into the support ticket system.
Cause
A pop.php or pipe.php file has become outdated.
Solution
This troubleshooting information only applies to self-hosted WHMCS installations.
To resolve this issue:
- Download the full release files or contact your license reseller to ask for them.
- Upload a new set of files from the
cronsdirectory to thecronslocation on your server, overwriting the existing files. - If you have customized the
cronsdirectory location, make certain that you have completed all of our recommended steps forcronsdirectory customization.For more information, see Move the Cron Directory.
Last modified: 2025 October 17