gnome-about box crashes on start

[Mikolaj Porczynski]

$ gnome-about
/usr/share/themes/airlines/gtk-2.0/gtkrc:86: Murrine configuration option "scrollbar_color" is no longer supported and will be ignored.
/usr/share/themes/airlines/gtk-2.0/gtkrc:91: Murrine configuration option "gradients" is no longer supported and will be ignored.
Traceback (most recent call last):
  File "/usr/bin/gnome-about", line 1040, in <module>
    about = GnomeAbout ()
  File "/usr/bin/gnome-about", line 844, in __init__
    self.create_ui ()
  File "/usr/bin/gnome-about", line 923, in create_ui
    info_labels = map (make_info_label, self.system_infos)
  File "/usr/bin/gnome-about", line 914, in make_info_label
    label.set_markup (_("<b>%(name)s:</b> %(value)s") % infos_dict)
KeyError: u'nazwa'

Problem: Crash

ProblemType: Bug
Architecture: i386
Date: Sun Feb 21 14:21:42 2010
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: gnome-about 1:2.28.1-0ubuntu3
PackageArchitecture: all
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-20.57-generic
SourcePackage: gnome-desktop
Tags: ubuntu-unr
Uname: Linux 2.6.31-20-generic i686

[Sebastien Bacher (seb128)]

the issue is a translation one