Troubleshoot and resolve You do not have permission to use Selected Package errors.
Troubleshoot and resolve Product attribute Package Name XXX Not Found on Server errors.
Troubleshoot and resolve Resellers are not permitted to create subdomains of the server's main domain errors.
Set up email piping using a cPanel email forwarder to pipe email replies into a file. WHMCS retrieves email replies from this file.
Troubleshoot and resolve Sorry, that username is reserved errors.
Troubleshoot and resolve Failed to load module “WpToolkitCli” errors.
Single Sign-on allows trusted applications and third parties to log users in to WHMCS automatically, without reauthentication.