glipper crashed with KeyError in remove_module()

[Nicola Jelmorini]

Binary package hint: glipper

I have attached the picture of the error message that is displayed at every boot.
Translation of the message from italian: The panel has a problem during the load of "OAFIID:Glipper"

I use Ubuntu Hardy

ProblemType: Crash
Architecture: i386
Date: Mon Apr 28 20:31:26 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/lib/glipper/glipper
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: glipper 1.0-1ubuntu1
PackageArchitecture: i386
ProcCmdline: python /usr/lib/glipper/glipper --oaf-activate-iid=OAFIID:Glipper_Factory --oaf-ior-fd=35
ProcEnviron:
 LANG=it_CH.UTF-8
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 SHELL=/bin/bash
PythonArgs: ['/usr/lib/glipper/glipper', '--oaf-activate-iid=OAFIID:Glipper_Factory', '--oaf-ior-fd=35']
SourcePackage: glipper
Title: glipper crashed with KeyError in remove_module()
Uname: Linux 2.6.24-16-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video