Traceback (most recent call last):
  File "/usr/lib/unity-lens-video/unity-lens-video", line 62, in <module>
    ZG = ZeitgeistClient()
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 403, in __init__
    self._iface = ZeitgeistDBusInterface()
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 270, in __init__
    self.INTERFACE_NAME, self.OBJECT_PATH, reconnect)
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 180, in __init__
    self._load_introspection_data()
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 172, in _load_introspection_data
    dbus_interface='org.freedesktop.DBus.Introspectable'))
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.zeitgeist.Engine was not provided by any .service files