Drive: handle unkown state: local_state=u'unknown', remote_state=u'deleted'

2013-11-15 02:55:41,598 17615 140507075708672 ERROR    nxdrive.synchronizer Failed to sync LastKnownState<local_folder=u'Patricia', local_path=u'/Documents/20/10770/EP/00', remote_name=u'00', local_state=u'unknown', remote_state=u'deleted', pair_state=u'unknown'>, blacklisting doc pair for 300 seconds
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/nxdrive/synchronizer.py", line 1048, in synchronize
    self.synchronize_one(pair_state, session=session)
  File "/usr/local/lib/python2.7/dist-packages/nxdrive/synchronizer.py", line 581, in synchronize_one
    doc_pair.pair_state, doc_pair)
RuntimeError: ('Unhandled pair_state: %r for %r', u'unknown', LastKnownState<local_folder=u'Patricia', local_path=u'/Documents/20/10770/EP/00', remote_name=u'00', local_state=u'unknown', remote_state=u'deleted', pair_state=u'unknown'>)