ubuntuone-syncdaemon crashed with KeyError in _load_pickle()

When I click on "Ubuntu One..." in the me-menu syncdaemon crashes.

ProblemType: Crash
Architecture: i386
CrashDB: ubuntuone
Date: Wed Mar 24 10:50:22 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/lib/ubuntuone-client/ubuntuone-syncdaemon
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: wl nvidia
Package: ubuntuone-client 1.1.4+r439-0ubuntu2~ppa2~lucid
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/ubuntuone-client/ubuntuone-syncdaemon
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.utf8
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
PythonArgs: ['/usr/lib/ubuntuone-client/ubuntuone-syncdaemon']
SourcePackage: ubuntuone-client
ThirdParty: True
Title: ubuntuone-syncdaemon crashed with KeyError in _load_pickle()
Uname: Linux 2.6.32-16-generic i686
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare