apport-gtk crashed with NotImplementedError in ui_present_report_details(): got unexpected respose -4 from dialog_bugreport

[Ivan]

..

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: apport-gtk 1.90-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-5.11-generic 3.2.0-rc5
Uname: Linux 3.2.0-5-generic i686
NonfreeKernelModules: nvidia
ApportLog:

ApportVersion: 1.90-0ubuntu1
Architecture: i386
CrashReports:
 600:1001:1001:2305093:2011-12-18 20:51:11.652252000 +0100:2011-12-18 20:51:17.840253000 +0100:/var/crash/_usr_lib_gnome-settings-daemon_gnome-fallback-mount-helper.1001.crash
 600:0:0:843093:2011-12-21 16:34:18.903609000 +0100:2011-12-21 16:34:19.903609000 +0100:/var/crash/_sbin_plymouthd.0.crash
 600:0:0:2296:2011-12-21 17:10:54.807609000 +0100:2011-12-21 17:11:47.255609812 +0100:/var/crash/nvidia-173.0.crash
 600:0:0:30987:2011-12-21 16:37:08.727609000 +0100:2011-12-21 17:11:51.923609812 +0100:/var/crash/_usr_share_apport_apport-gtk.0.crash
 600:1000:1000:1956272:2011-12-20 21:50:27.923604000 +0100:2011-12-21 16:33:41.127609812 +0100:/var/crash/_usr_bin_plank.1000.crash
Date: Wed Dec 21 16:37:09 2011
DuplicateOf: https://bugs.launchpad.net/bugs/904010
ExecutablePath: /usr/share/apport/apport-gtk
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gtk
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/apport/apport-gtk']
SourcePackage: apport
Title: apport-gtk crashed with NotImplementedError in ui_present_report_details(): got unexpected respose -4 from dialog_bugreport
UpgradeStatus: Upgraded to precise on 2011-12-17 (3 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #904010, 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.