gnome-about crashed with KeyError in make_info_label()

No window appear when i choose item from menu

ProblemType: Crash
Architecture: i386
Date: Sat Feb 16 18:26:16 2008
Dependencies: gnome-desktop-data 1:2.21.91-0ubuntu2
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/gnome-about
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: gnome-about 1:2.21.91-0ubuntu2
PackageArchitecture: i386
ProcCmdline: /usr/bin/python /usr/bin/gnome-about
ProcCwd: /home/creazine
ProcEnviron:
 LANGUAGE=ru_UA:ru
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=ru_UA.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gnome-about']
SourcePackage: gnome-desktop
Title: gnome-about crashed with KeyError in make_info_label()
Uname: Linux creazine-desktop 2.6.24-5-386 #1 Thu Jan 24 19:04:50 UTC 2008 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video