deskbar-applet crashed with AttributeError in on_disabled_module_changed()

Binary package hint: deskbar-applet

Deskbar crashed when I clicked on the "Extensions with Errors" tab.

ProblemType: Crash
Architecture: i386
Date: Sat Aug 11 21:16:30 2007
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/lib/deskbar-applet/deskbar-applet
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: kvm nvidia
Package: deskbar-applet 2.19.6.1-0ubuntu1
PackageArchitecture: i386
ProcCmdline: /usr/bin/python /usr/lib/deskbar-applet/deskbar-applet --oaf-activate-iid=OAFIID:Deskbar_Applet_Factory --oaf-ior-fd=44
ProcCwd: /home/azvoleff
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/lib/deskbar-applet/deskbar-applet', '--oaf-activate-iid=OAFIID:Deskbar_Applet_Factory', '--oaf-ior-fd=44']
SourcePackage: deskbar-applet
Title: deskbar-applet crashed with AttributeError in on_disabled_module_changed()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.5/site-packages/deskbar/ui/preferences/DeskbarPreferences.py", line 286, in on_disabled_module_changed
     self.disabledhandlers_box.pack_end(InfoBox(module.INSTRUCTIONS, gtk.STOCK_DIALOG_ERROR), False, False, 0)
 AttributeError: 'NoneType' object has no attribute 'INSTRUCTIONS'
Uname: Linux azvoleff-laptop 2.6.22-9-generic #1 SMP Fri Aug 3 00:50:37 GMT 2007 i686 GNU/Linux