bzr: ERROR: Revision

# bzr branch lp:ubuntu/saucy/firefox
bzr: ERROR: Revision {<email address hidden>} not present in "Graph(StackedParentsProvider(bzrlib.repository._LazyListJoin(([CachingParentsProvider(None)], []))))".

Sat 2014-04-19 18:03:59 -0400
0.029 bazaar version: 2.6.0
0.029 bzr arguments: [u'branch', u'lp:ubuntu/saucy/firefox']
0.030 looking for plugins in /root/.bazaar/plugins
0.030 looking for plugins in /usr/lib/python2.7/dist-packages/bzrlib/plugins
0.041 encoding stdout as sys.stdout encoding 'UTF-8'
0.072 ssh implementation is OpenSSH
15.653 LatestPublication.get_latest_version took: 0.799s
15.813 LatestPublication.get_tag_dict took: 0.160s
15.976 Transferred: 33kB (2.1kB/s r:32kB w:1kB)
15.978 Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 1452, in run
    from_location)
  File "/usr/lib/python2.7/dist-packages/bzrlib/controldir.py", line 781, in open_tree_or_branch
    return controldir._get_tree_branch()
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 761, in _get_tree_branch
    return None, self.open_branch(name=name)
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 795, in open_branch
    ignore_fallbacks=ignore_fallbacks)
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 777, in _open_branch
    possible_transports=possible_transports)
  File "/usr/lib/python2.7/dist-packages/bzrlib/remote.py", line 3372, in __init__
    hook(self)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/__init__.py", line 131, in _check_is_up_to_date
    lp_api_lite.report_freshness(the_branch, verbosity, latest_pub)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 285, in report_freshness
    latest_ver, branch_ver = _get_newest_versions(the_branch, latest_pub)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 233, in _get_newest_versions
    best_tag = get_most_recent_tag(tags, the_branch)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api_lite.py", line 203, in get_most_recent_tag
    for rev_id in graph.iter_lefthand_ancestry(last_rev, stop_revisions):
  File "/usr/lib/python2.7/dist-packages/bzrlib/graph.py", line 1036, in iter_lefthand_ancestry
    parents = get_parents(next_key)
  File "/usr/lib/python2.7/dist-packages/bzrlib/graph.py", line 1032, in get_parents
    raise errors.RevisionNotPresent(next_key, self)
RevisionNotPresent: Revision {<email address hidden>} not present in "Graph(StackedParentsProvider(bzrlib.repository._LazyListJoin(([CachingParentsProvider(None)], []))))".

15.979 return code 3