Day '29' out of range 1..28 at /usr/share/webmin/virtual-server/feature-mail.pl line 2980

Virtualmin Theme version: 6.5
Virtualmin version: 3.64
Operating system: Ubuntu Linux 6.06.2
I'm getting mail from cron once an hour with the following:

Subject: Cron /etc/webmin/virtual-server/bw.pl
Body:
Day '29' out of range 1..28 at /usr/share/webmin/virtual-server/feature-mail.pl line 2980

They started just after midnight 1/1/2009.

Thanks
Chris

Status: 
Closed (fixed)