apport-gtk crashed with SystemError in open()

[miked]

Binary package hint: apport

root@LeftGuest:~# lsb_release -rd
Description: Ubuntu lucid (development branch)
Release: 10.04
root@LeftGuest:~#

ProblemType: Crash
ApportLog:
 apport (pid 19514) Mon Mar 22 17:19:41 2010: called for pid 19499, signal 7
 apport (pid 19514) Mon Mar 22 17:19:42 2010: script: /usr/share/apport/apport-gtk, interpreted by /usr/bin/python2.6 (command line "/usr/bin/python /usr/share/apport/apport-gtk -c /var/crash/linux-image-2.6.32-14-generic.0.crash")
 apport (pid 19514) Mon Mar 22 17:19:42 2010: apport: report /var/crash/_usr_share_apport_apport-gtk.0.crash already exists and unseen, doing nothing to avoid disk usage DoS
Architecture: i386
Date: Mon Mar 22 17:19:37 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/share/apport/apport-gtk
InterpreterPath: /usr/bin/python2.6
Package: apport-gtk 1.13.1-0ubuntu1
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gtk -c /var/crash/linux-image-2.6.32-13-generic.0.crash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
PythonArgs: ['/usr/share/apport/apport-gtk', '-c', '/var/crash/linux-image-2.6.32-13-generic.0.crash']
SourcePackage: apport
Title: apport-gtk crashed with SystemError in open()
Uname: Linux 2.6.32-16-generic i686
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev root sambashare scanner tape video