*** This bug is a duplicate of bug 312491 ***
https://bugs.launchpad.net/bugs/312491
Looking at the attached dpkg-log, the following line shows the following
reason for this problem:
dpkg: error processing
/var/cache/apt/archives/openclipart-png_0.18+dfsg-8_all.deb (--unpack):
failed in buf
** Attachment added: "VarLogDistupgradeAptlog.gz"
http://launchpadlibrarian.net/34383170/VarLogDistupgradeAptlog.gz
** Attachment added: "VarLogDistupgradeApttermlog.gz"
http://launchpadlibrarian.net/34383171/VarLogDistupgradeApttermlog.gz
** Attachment added: "VarLogDistupgradeMainlog.gz"