Error installing using yum on Fedora 19

Any idea how to fix the following error when installing on Fedora 19?

# yum install ajenti

Loaded plugins: fastestmirror, langpacks, refresh-packagekit

http://repo.ajenti.org/ng/centos/19/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found

Trying other mirror.

Error: failure: repodata/repomd.xml from ajenti: [Errno 256] No more mirrors to try.

http://repo.ajenti.org/ng/centos/19/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found