software manager

Hi,
i cannot install a new software.
i have opensuse 11.1
see the error message:
Erreur de téléchargement (curl) pour ‘http://download.opensuse.org/debug/distribution/11.1/repo/oss/repodata/repomd.xml’:
Code erreur:
Message erreur: couldn’t connect to host

i need your help!
thanks!

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