Comment 3 for bug 763242

this report has been filed here:

https://bugs.launchpad.net/ubuntu/+source/telepathy-butterfly/+bug/763242

"I was in invisible mode in empathy....error message appeared several times"

Traceback:

Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/papyon/client.py", line 517, in event
    self._dispatch(method_name, *args[:-1])
  File "/usr/lib/pymodules/python2.7/papyon/event/__init__.py", line 44, in _dispatch
    if event_handler._dispatch_event(name, *args):
  File "/usr/lib/pymodules/python2.7/papyon/event/__init__.py", line 65, in _dispatch_event
    handler(*params)
  File "/usr/lib/python2.7/dist-packages/butterfly/connection.py", line 480, in on_oim_messages_fetched
    channel.offline_message_received(message)
  File "/usr/lib/python2.7/dist-packages/butterfly/channel/im.py", line 194, in offline_message_received
    self._signal_text_received(id, timestamp, handle, type, 0, message.display_name, text)
  File "/usr/lib/python2.7/dist-packages/butterfly/channel/text.py", line 157, in _signal_text_received
    self.Received(id, timestamp, sender, type, flags, text)
  File "/usr/lib/pymodules/python2.7/dbus/decorators.py", line 293, in emit_signal
    func(self, *args, **keywords)
  File "/usr/lib/python2.7/dist-packages/telepathy/server/channel.py", line 296, in Received
    raise ValueError("You can't receive the same message twice.")
ValueError: You can't receive the same message twice.