installtion failed - ubuntu 0407

I: Base system installed successfully.
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_AU:en",
        LC_ALL = (unset),
        LANG = "en_AU.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Adding `diversion of /sbin/start-stop-daemon to /sbin/start-stop-daemon.real by ltsp-client'
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_AU:en",
        LC_ALL = (unset),
        LANG = "en_AU.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = "en_AU:en",
        LC_ALL = (unset),
        LANG = "en_AU.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Adding `diversion of /etc/mtab to /etc/mtab.real by ltsp-client'
`/opt/ltsp/i386/etc/apt/sources.list' -> `/opt/ltsp/i386/etc/apt/sources.list.old'
ln: creating symbolic link `/dev/fd' to `/proc/self/fd': File exists
error: LTSP client installation ended abnormally