Can anyone help me with this error?

Webmin
JCK
2012-09-28
2013-05-22
  • JCK
    JCK
    2012-09-28

    /etc/cron.daily/apt-show-versions:
    Encountered a section with no Package: header
    Problem with MergeList /var/lib/apt/lists/download.webmin.com_download_repository_dists_sarge_contrib_binary-i386_Packages
    The package lists or status file could not be parsed or opened.
    Can't call method "policy" on an undefined value at /usr/bin/apt-show-versions line 56.
    run-parts: /etc/cron.daily/apt-show-versions exited with return code 255