empathy fails on theme changing

[AKangB]

Binary package hint: empathy

On Ubuntu karmic (development branch) 9.10
With empathy 2.28.0.1-1ubuntu2

I only was chaching the theme to apply whose like to me. When i close the preferences window, somebody sent me a message and empathy crashes

ProblemType: Crash
Architecture: i386
AssertionMessage: empathy:ERROR:empathy-tp-chat.c:1391:empathy_tp_chat_acknowledge_message: assertion failed: (m != NULL)
Date: Thu Oct 8 19:20:16 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/empathy
NonfreeKernelModules: nvidia
Package: empathy 2.28.0.1-1ubuntu2
ProcCmdline: empathy
ProcEnviron:
 SHELL=/bin/bash
 LANG=es_ES.UTF-8
ProcVersionSignature: User Name 2.6.31-12.40-generic
Signal: 6
SourcePackage: empathy
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 g_assertion_message () from /lib/libglib-2.0.so.0
 g_assertion_message_expr () from /lib/libglib-2.0.so.0
Title: empathy assert failure: empathy:ERROR:empathy-tp-chat.c:1391:empathy_tp_chat_acknowledge_message: assertion failed: (m != NULL)
Uname: Linux 2.6.31-12-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:__kernel_vsyscall ()
?? ()
?? ()
?? ()
?? ()

[Apport retracing service (apport)]

Thank you for your report!

However, processing it in order to get sufficient information for the
developers failed (it does not generate an useful symbolic stack trace). This
might be caused by some outdated packages which were installed on your system
at the time of the report:

libempathy-common: installed version 2.28.0.1-1ubuntu2, latest version: 2.28.0.1-1ubuntu3
empathy-doc: installed version 2.28.0.1-1ubuntu2, latest version: 2.28.0.1-1ubuntu3
gconf2: installed version 2.28.0-0ubuntu1, latest version: 2.28.0-0ubuntu2
libempathy-gtk-common: installed version 2.28.0.1-1ubuntu2, latest version: 2.28.0.1-1ubuntu3
empathy: installed version 2.28.0.1-1ubuntu2, latest version: 2.28.0.1-1ubuntu3
libxml2: installed version 2.7.3.dfsg-1ubuntu2, latest version: 2.7.5.dfsg-1ubuntu1
libcanberra0: installed version 0.15-0ubuntu6, latest version: 0.15-0ubuntu7
libempathy30: installed version 2.28.0.1-1ubuntu2, latest version: 2.28.0.1-1ubuntu3
libenchant1c2a: installed version 1.5.0-0ubuntu1, latest version: 1.5.0-0ubuntu2
libempathy-gtk28: installed version 2.28.0.1-1ubuntu2, latest version: 2.28.0.1-1ubuntu3
libcanberra-gtk0: installed version 0.15-0ubuntu6, latest version: 0.15-0ubuntu7
gconf2-common: installed version 2.28.0-0ubuntu1, latest version: 2.28.0-0ubuntu2
libgconf2-4: installed version 2.28.0-0ubuntu1, latest version: 2.28.0-0ubuntu2

Please upgrade your system to the latest package versions. If you still
encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!