Guix package error when install xorg-server

[Daniel Pimentel]

Hi Guix, I tryed install xorg-server but the netpbm not found 
(download). This is URL 
http://www.multiprecision.org/guix/netpbm-10.61.01.tar.gz.drv that Guix 
try download.

P.S.: I tryed before and after use guix pull.
Help me please, thanks,

--
Daniel Pimentel (d4n1)