About error creating a mirror

Hi!
What about the following error?

debian:~# debmirror -v --nosource --ignore-release-gpg 
--host=archive.ubuntu.com --method=rsync --root=:ubuntu --dist=breezy 
--arch=i386 --postcleanup /var/www/ubuntu
Mirroring to /var/www/ubuntu from 
rsync://anonymous:archive.ubuntu.com/:ubuntu/
Arches: i386
Dists: breezy
Sections: main,contrib,non-free,main/debian-installer
Will clean up AFTER mirroring.
Download at most 200 files per rsync call.
Attempting to get lock, this might take 2 minutes before it fails.
Get Release files.
remote_get rsync dists/breezy/Release
remote_get rsync dists/breezy/Release.gpg
gpg: Signature made Thu Oct 13 15:34:54 2005 AST using DSA key ID 437D05B5
gpg: Good signature from "Ubuntu Archive Automatic Signing Key 
<ftpmaster at ubuntu.com>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the 
owner.
Primary key fingerprint: 6302 39CC 130E 1A7F D81A  27B1 4097 6EAF 437D 05B5
Get Packages and Sources files and other miscellany.
Won't mirror without dists/breezy/contrib/binary-i386/Packages.gz signature 
in Release at /usr/bin/debmirror line 1187.
WARNING: releasing 1 pending lock...
debian:~#

Any idea?

Thanks in advanced

Salute 
Frank Abel
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