empathy crashed just as i hit enter to send a message

[Jeremy]

Binary package hint: empathy

Ubuntu Karmic (development branch)
empathy:
  Installed: 2.28.0.1-1ubuntu2
  Candidate: 2.28.0.1-1ubuntu2
  Version table:
 *** 2.28.0.1-1ubuntu2 0
        500 http://us.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status
I expected an IM to be sent, as normal. Instead, I hit Enter and Empathy crashed. When I restarted the application, the IM window showed that the last message, the one that made it crash, had been sent twice.

ProblemType: Crash
Architecture: i386
AssertionMessage: empathy:ERROR:empathy-tp-chat.c:1391:empathy_tp_chat_acknowledge_message: assertion failed: (m != NULL)
CheckboxSubmission: 681d7f027c8a328db3a17a5258e9c2ef
CheckboxSystem: 9c26adf6eed2f681ba41f94dd24c07e4
CrashCounter: 1
Date: Tue Oct 6 21:26:23 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/empathy
Package: empathy 2.28.0.1-1ubuntu2
ProcCmdline: empathy
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-11.38-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
Tags: ubuntu-unr
Title: empathy assert failure: empathy:ERROR:empathy-tp-chat.c:1391:empathy_tp_chat_acknowledge_message: assertion failed: (m != NULL)
Uname: Linux 2.6.31-11-generic i686
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 #443340, 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.