'A default handler for Jabber-RPC fault response. If another
handler is registered, this one will defer and not run.
If this handler is called by your own custom handler with
forwarded set to True, then it will run as normal.'

def _on_jabber_rpc_method_fault(self, iq, forwarded=False):

    if ((not forwarded) and (self.xmpp.event_handled('jabber_rpc_method_fault') > 1)):
        return
    error = self.client.plugin['xep_0009']._recpient_unavailable(iq)
    error.send()
