WARNING:papyon.protocol:Notification unhandled command : GCF 0 5131
        [payload]
Traceback (most recent call last):
  File "./papyon/papyon/client.py", line 330, in property_changed
    self._dispatch(method_name, contact)
  File "./papyon/papyon/event/__init__.py", line 44, in _dispatch
    if event_handler._dispatch_event(name, *args):
  File "./papyon/papyon/event/__init__.py", line 65, in _dispatch_event
    handler(*params)
  File "/home/alexandernst/amsn2/amsn2/protocol/events/contact.py", line 31, in on_contact_msn_object_changed
    self._contact_manager.on_contact_DP_changed(contact)
  File "/home/alexandernst/amsn2/amsn2/core/contactlist_manager.py", line 53, in on_contact_DP_changed
    papyon_contact.id))
  File "./papyon/papyon/p2p.py", line 258, in request
    session.invite(repr(msn_object))
  File "./papyon/papyon/msnp2p/msnobject.py", line 56, in invite
    self._invite(context)
  File "./papyon/papyon/msnp2p/session.py", line 113, in _invite
    "MSNMSGR:" + self._peer.account,
AttributeError: 'NoneType' object has no attribute 'account'
ERROR : 0  -> None