2012-02-23 13:07:01,278 - ubuntuone.SyncDaemon.InteractionInterfaces - ERROR - failure while getting the token
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/syncdaemon/interaction_interfaces.py", line 1225, in connect
    autoconnecting=autoconnecting)
CredentialsError: org.freedesktop.DBus.Python.ValueError: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/platform/credentials/linux.py", line 179, in find_credentials
    reply_handler=reply_handler, error_handler=error_handler)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 137, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 584, in call_async
    message.append(signature=signature, *args)
ValueError: Unable to guess signature from an empty dict

2012-02-23 13:07:01,279 - twisted - ERROR - Unhandled error in Deferred:
2012-02-23 13:07:01,282 - twisted - ERROR - Unhandled Error
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 391, in errback
    self._startRunCallbacks(fail)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 458, in _startRunCallbacks
    self._runCallbacks()
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 545, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1095, in gotResult
    _inlineCallbacks(r, g, deferred)
--- <exception caught here> ---
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1037, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 382, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/syncdaemon/interaction_interfaces.py", line 1228, in connect
    raise NoAccessToken(e)
ubuntuone.syncdaemon.interaction_interfaces.NoAccessToken: org.freedesktop.DBus.Python.ValueError: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python2.7/dist-packages/ubuntuone-client/ubuntuone/platform/credentials/linux.py", line 179, in find_credentials
    reply_handler=reply_handler, error_handler=error_handler)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 137, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 584, in call_async
    message.append(signature=signature, *args)
ValueError: Unable to guess signature from an empty dict