Get no updates of tweets in Gwibber

Hi there,

since couple of days, I don't get any updates of Tweets in Gwibber. If I start Gwibber in the Shell, I get following messages:

ich@ich-vaio:~$ gwibber -d

** (gwibber:2786): WARNING **: Trying to register gtype 'WnckWindowState' as enum when in fact it is of type 'GFlags'

** (gwibber:2786): WARNING **: Trying to register gtype 'WnckWindowActions' as enum when in fact it is of type 'GFlags'

** (gwibber:2786): WARNING **: Trying to register gtype 'WnckWindowMoveResizeMask' as enum when in fact it is of type 'GFlags'
No dbus monitor yet
Updating...
Updating...
ERROR:dbus.proxies:Introspect error on com.Gwibber.Accounts:/com/gwibber/Accounts: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name com.Gwibber.Accounts was not provided by any .service files
ERROR:dbus.proxies:Introspect error on com.Gwibber.Streams:/com/gwibber/Streams: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name com.Gwibber.Streams was not provided by any .service files
/usr/bin/gwibber:68: GtkWarning: gtk_container_add: assertion `GTK_IS_CONTAINER (container)' failed
  gtk.main()

I'm using the stable version 2.30.1 from the Ubuntu 10.04 sources