Cannot open/read repomd.xml file .

i am trying to update through "Yum Extender" but 1 msg coming is
"

Cannot open/read repomd.xml file for repository: feannatar".

picture is:-

how will i solve this problem?

[glennzo]

Disable the repo temporarily. Use the repos icon on the left. Alternatively you can wait a while and see if the repo becomes available. Then try your operation again. After that think about upgrading to Fedora 8 as the support for Fedora 6 is non-existent.