package monodoc-browser 2.6.2-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 143

[israel vainsencher]

installing drapes, suggested mono...
Problem: O:System.Web.UI.WebControls.Unit.Conversion, with xpath: /Type/Members/Member[@MemberName='op_Conversion']/Docs
Terminated
dpkg: error processing monodoc-browser (--configure):

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: monodoc-browser 2.6.2-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Fri May 27 08:19:57 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 143
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
SourcePackage: mono-tools
Title: package monodoc-browser 2.6.2-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 143
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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