WHM error msg

under WHM (cpanel)->software->update server software,
Using Mysql4
proftpd is up to date (Fri Oct 1 21:58:32 2004)
bandmin is up to date (Tue Apr 8 10:00:52 2003)
chkservd is up to date (Thu Aug 19 14:05:17 2004)
MySQL-server is up to date (Thu Oct 28 16:05:30 2004)
MySQL-embedded is up to date (Thu Oct 28 16:05:30 2004)
MySQL-client is up to date (Thu Oct 28 16:05:30 2004)
MySQL-devel is up to date (Thu Oct 28 16:05:30 2004)
MySQL-bench is up to date (Thu Oct 28 16:05:30 2004)
MySQL-shared is up to date (Thu Oct 28 16:05:30 2004)
MySQL-shared-compat is up to date (Thu Oct 28 17:16:52 2004)
portsentry is up to date (Tue Jan 29 21:02:40 2002)
https://xmlrpc.rhn.redhat.com/XMLRPC
Error Message:
Please run rhn_register (or up2date --register on Red Hat Enterprise Linux 3 or later)
as root on this client
Error Class Code: 9
Error Class Info: Invalid System Credentials.
Explanation:
An error has occurred while processing your request. If this problem
persists please enter a bug report at bugzilla.redhat.com.
If you choose to submit the bug report, please be sure to include
details of what you were trying to do when this error occurred and
details on how to reproduce this problem.
i tried up2date already, but the error msg still there, how can i get it fix?