software-center crashed with TypeError in __getitem__(): 'NoneType' object is not subscriptable

[JosephB]

Binary package hint: software-center

This immediately followed a crash of Nautilus.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: software-center 3.1.15
ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
Uname: Linux 2.6.38-1-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Wed Feb 2 20:46:02 2011
ExecutablePath: /usr/share/software-center/software-center
InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANGUAGE=en_CA:en
 LANG=en_CA.UTF-8
 LC_MESSAGES=en_CA.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with TypeError in __getitem__(): 'NoneType' object is not subscriptable
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #688991, so 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.