hamster-time-tracker crashed with ValueError in figure_time(): hour must be in 0..23

adding previous activity - if i try to add an activity that lasts past midnight the app crashes

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: hamster-applet 2.32.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
Date: Wed Jul 13 14:19:25 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/hamster-time-tracker
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: python /usr/bin/hamster-time-tracker
ProcEnviron:
 LANGUAGE=en_IE:en
 PATH=(cusUser Name, user)
 LANG=en_IE.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/hamster-time-tracker']
SourcePackage: hamster-applet
Title: hamster-time-tracker crashed with ValueError in figure_time(): hour must be in 0..23
UpgradeStatus: Upgraded to natty on 2011-04-05 (99 days ago)
UserGroups: adm admin audio cdrom dialout libvirtd lpadmin plugdev sambashare