build problem

[Eric Tanguy <eric tanguy univ-nantes fr>]

trying to build a new release i obtain this problem : 
Error: could not make srpm for ircd-hybrid-7_2_1-1_fc6 - output was:

Downloading ircd-hybrid-7.2.1.tgz...
--13:59:33--
http://cvs.fedora.redhat.com/repo/extras/ircd-hybrid/ircd-hybrid-7.2.1.tgz/00901c5e2e9bf44ab37a28596af6608e/ircd-hybrid-7.2.1.tgz
           => `ircd-hybrid-7.2.1.tgz'
Resolving cvs.fedora.redhat.com... 209.132.176.51
Connecting to cvs.fedora.redhat.com|209.132.176.51|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
13:59:33 ERROR 404: Not Found.
FINISHED --13:59:33--
Downloaded: 0 bytes in 0 files
Could not download source file: ircd-hybrid-7.2.1.tgz does not exist
make: *** [ircd-hybrid-7.2.1.tgz] Error 1