Traceback (most recent call last):
  File "/usr/bin/gnome-activity-journal", line 97, in <module>
    from src.main import PortalWindow
  File "/usr/share/gnome-activity-journal/src/main.py", line 31, in <module>
    from activity_widgets import MultiViewContainer, TimelineViewContainer, ThumbViewContainer
  File "/usr/share/gnome-activity-journal/src/activity_widgets.py", line 41, in <module>
    from store import ContentStruct, CLIENT
  File "/usr/share/gnome-activity-journal/src/store.py", line 588, in <module>
    STORE = Store()
  File "/usr/share/gnome-activity-journal/src/store.py", line 411, in __init__
    days_population = CLIENT_EXTENSION.GetHistogramData()
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 120, in _ProxyMethod
    lambda: getattr(self.__iface, name), *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 109, in _disconnection_safe
    return reconnecting_error_handler(e)
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 107, in _disconnection_safe
    return method_getter()(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 143, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.UnknownMethod: No such interface `org.gnome.zeitgeist.Log' on object at path /org/gnome/zeitgeist/journal/activity