Traceback (most recent call last):
  File "/home/manuel/videos/2007-05-28-SUGAR/build/bin/sugar-shell", line 117, in ?
    model = ShellModel()
  File "/home/manuel/videos/2007-05-28-SUGAR/build/share/sugar/shell/model/ShellModel.py", line 46, in __init__
    self._pservice = presenceservice.get_instance()
  File "/home/manuel/videos/2007-05-28-SUGAR/build/lib/python2.4/site-packages/sugar/presence/presenceservice.py", line 482, in get_instance
    _ps = PresenceService(allow_offline_iface)
  File "/home/manuel/videos/2007-05-28-SUGAR/build/lib/python2.4/site-packages/sugar/presence/presenceservice.py", line 82, in __init__
    self._get_ps()
  File "/home/manuel/videos/2007-05-28-SUGAR/build/lib/python2.4/site-packages/sugar/presence/presenceservice.py", line 122, in _get_ps
    raise RuntimeError("Failed to connect to the presence service.")
RuntimeError: Failed to connect to the presence service.