ubuntuone-launch crashed with DBusException in __new__()

Binary package hint: ubuntuone-client

ERRRO

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: ubuntuone-client 1.1.91-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Thu Apr 8 14:37:02 2010
ExecutablePath: /usr/bin/ubuntuone-launch
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/ubuntuone-launch
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/ubuntuone-launch']
SourcePackage: ubuntuone-client
Title: ubuntuone-launch crashed with DBusException in __new__()
UbuntuOneSyncdaemonConfig:
 [bandwidth_throttling]
 on = False
 read_limit = 2097152
 write_limit = 2097152
UbuntuOneSyncdaemonExceptionsLog:

UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare