package monodoc-base 2.6.7-5ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[~Nobody~]

Ubuntu 10.10 upgrade to 11.04 when I hit this problem.

Relevant Error Message:
Processing triggers for monodoc-base ...
generating monodoc search index...
     Public Key: 35e10195dab3c99f
The assembly was not found in the Global Assembly Cache, a path listed in the MONO_PATH environment variable, or in the location of the executing assembly (/usr/lib/monodoc/).
** (/usr/lib/monodoc/browser.exe:15461): WARNING **: Could not load file or assembly 'gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f' or one of its dependencies.
** (/usr/lib/monodoc/browser.exe:15461): WARNING **: Missing method Init in assembly /usr/lib/monodoc/browser.exe, type Gtk.Application
Unhandled Exception: System.IO.FileNotFoundException: Could not load file or assembly 'gtk-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f' or one of its dependencies.
File name: 'gtk-sharp, Version=2.12.0.0, Culture=neutNo apport report written because MaxReports has already been reached
                                         ral, PublicKeyToken=35e10195dab3c99f'
dpkg: error processing monodoc-base (--unpack):
 subprocess installed post-installation script returned error exit status 1

ProblemType: PackageDistroRelease: Ubuntu 11.04
Package: monodoc-base 2.6.7-5ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-30.56-generic 2.6.35.13
Uname: Linux 2.6.35-30-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Wed Aug 31 19:26:49 2011
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: allSourcePackage: mono
Title: package monodoc-base 2.6.7-5ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1UpgradeStatus: Upgraded to natty on 2011-08-31 (0 days ago)

[Sérgio Faria (sergio91pt)]

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 772482, 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. Feel free to continue to report any other bugs you may find.