Comment 2 for bug 377453

We just got another instance of this error:

  Module bzrlib.branch, line 137, in open
    return control.open_branch(_unsupported)
  Module bzrlib.remote, line 289, in open_branch
    setup_stacking=not ignore_fallbacks)
  Module bzrlib.remote, line 1975, in __init__
    self._setup_stacking()
  Module bzrlib.remote, line 1981, in _setup_stacking
    fallback_url = self.get_stacked_on_url()
  Module bzrlib.remote, line 2085, in get_stacked_on_url
    _translate_error(err, branch=self)
  Module bzrlib.remote, line 2648, in _translate_error
    raise errors.UnknownErrorFromSmartServer(err)
UnknownErrorFromSmartServer: Server sent an unexpected error: ('error', "ScopeReplacer object 'errors' was used incorrectly: Object already cleaned up, did you assign it to another variable?: _scope")

OOPS-1272SMPM01

Remote branch is http://bzr.malept.com/avant-window-navigator