Gwibber crashes on launch with dbus error

Gwibber from the gwibber-daily PPA, updated today. I'm running Kubuntu Karmic with KDE SC 4.4 (so, same KDE version as Lucid). Should point out that I've yet to have the "new" Gwibber work on KDE.

$ gwibber

** (gwibber:3648): WARNING **: Trying to register gtype 'WnckWindowState' as flags when in fact it is of type 'GEnum'

** (gwibber:3648): WARNING **: Trying to register gtype 'WnckWindowActions' as flags when in fact it is of type 'GEnum'

** (gwibber:3648): WARNING **: Trying to register gtype 'WnckWindowMoveResizeMask' as flags when in fact it is of type 'GEnum'
ERROR:dbus.proxies:Introspect error on :1.111:/: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus)
Traceback (most recent call last):
  File "/usr/bin/gwibber", line 36, in <module>
    cdb.getPort()
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.111 was not provided by any .service files