Fails for build ISO by pungi+lorax on Fedora16

[Sérgio Basto]

On Thu, 2011-12-22 at 16:34 +0800, Eric Zhong wrote:
> OS: Fedora16
> Tool: pungi + lorax  (yum install pungi)

could you be more specific ? 
from https://fedorahosted.org/lorax/wiki
lorax team reply on
Mailing list:  anaconda-devel-list at redhat.com

thanks, 
-- 
Sérgio M. B.