package syslinux-themes-debian (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 127

[Jalink]

I tried to give a folder an icon which resides in /usr/share/icons/Unity/

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: syslinux-themes-debian (not installed)
ProcVersionSignature: Ubuntu 3.5.0-24.37-generic 3.5.7.4
Uname: Linux 3.5.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu10
AptOrdering:
 extlinux: Remove
 syslinux-themes-debian: Remove
 syslinux-themes-debian-wheezy: Remove
 unetbootin: Remove
 unetbootin-translations: Remove
Architecture: amd64
Date: Fri Mar 8 22:33:57 2013
DpkgTerminalLog:
 Removing extlinux ...
 Removing syslinux-themes-debian ...
 /var/lib/dpkg/info/syslinux-themes-debian.postrm: 15: /var/lib/dpkg/info/syslinux-themes-debian.postrm: extlinux-update: not found
 dpkg: error processing syslinux-themes-debian (--remove):
  subprocess installed post-removal script returned error exit status 127
DuplicateSignature:
 Removing syslinux-themes-debian ...
 /var/lib/dpkg/info/syslinux-themes-debian.postrm: 15: /var/lib/dpkg/info/syslinux-themes-debian.postrm: extlinux-update: not found
 dpkg: error processing syslinux-themes-debian (--remove):
  subprocess installed post-removal script returned error exit status 127
ErrorMessage: subprocess installed post-removal script returned error exit status 127
InstallationDate: Installed on 2012-04-15 (331 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
MarkForUpload: True
SourcePackage: syslinux-themes-debian
Title: package syslinux-themes-debian (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 127
UpgradeStatus: Upgraded to quantal on 2012-10-06 (157 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Robie Basak (racb)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1042511, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.