telepathy-butterfly crashed with TypeError in emit_signal(): expected string without null bytes

[Jaime Rave]

Binary package hint: telepathy-butterfly

I was just opening Empathy when this error appear. I have two accounts. One with MSN Messenger and the other one is GTalk.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: telepathy-butterfly 0.5.15-1
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
Uname: Linux 2.6.38-7-generic-pae i686
NonfreeKernelModules: wl
Architecture: i386
Date: Sun Mar 27 12:22:55 2011
ExecutablePath: /usr/lib/telepathy/telepathy-butterfly
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/lib/telepathy/telepathy-butterfly
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANGUAGE=es_CO:es_MX:es_ES:en
 LANG=es_CO.UTF-8
PythonArgs: ['/usr/lib/telepathy/telepathy-butterfly']
SourcePackage: telepathy-butterfly
Title: telepathy-butterfly crashed with TypeError in emit_signal(): expected string without null bytes
UpgradeStatus: Upgraded to natty on 2011-02-19 (36 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #648851, 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.