'bzr check' crashing

[Brian Pape]

# bzr log
bzr: ERROR: Revision {<email address hidden>} not present in "Graph(StackedParentsProvider(bzrlib.repository._LazyListJoin(([CachingParentsProvider(CallableToParentsProviderAdapter(<bound method CHKInventoryRepository._get_parent_map_no_fallbacks of CHKInventoryRepository('file:///root/ww/.bzr/repository/')>))], []))))".
[root@host files]# bzr info
Repository tree (format: 2a)
Location:
  shared repository: /root/ww
  repository branch: .
[root@host files]# bzr check
Checking working tree at '/root/ww/files'.
Checking working tree at '/root/ww/docs'.
Checking branch at 'file:///root/ww/docs/'.
Checking branch at 'file:///root/ww/files/'.
Checking working tree at '/root/ww/library'.
Checking branch at 'file:///root/ww/library/'.
Checking working tree at '/root/ww/migration'.
Checking branch at 'file:///root/ww/migration/'.
Checking working tree at '/root/ww/scripts/mkchroot'.
Checking branch at 'file:///root/ww/mkchroot-scripts/'.
Checking working tree at '/root/ww/scripts'.
Checking branch at 'file:///root/ww/scripts/'.
Checking working tree at '/root/ww/scripts/client'.
Checking branch at 'file:///root/ww/scripts/client/'.
Checking working tree at '/root/ww/scripts/client-post'.
Checking branch at 'file:///root/ww/scripts/client-post/'.
Checking working tree at '/root/ww/scripts/mkchroot'.
Checking branch at 'file:///root/ww/scripts/mkchroot/'.
Checking repository at 'file:///root/ww/'.
bzr: ERROR: bzrlib.errors.NoSuchRevision: CHKInventoryRepository('file:///root/ww/.bzr/repository/') has no revision <email address hidden>

Traceback (most recent call last):
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 1121, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/builtins.py", line 3774, in run
    check_dwim(path, verbose, do_branch=branch, do_repo=repo, do_tree=tree)
  File "/usr/lib64/python2.6/site-packages/bzrlib/check.py", line 435, in check_dwim
    check_repo=do_repo)
  File "/usr/lib64/python2.6/site-packages/bzrlib/repository.py", line 1181, in check
    check_repo=check_repo)
  File "/usr/lib64/python2.6/site-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/vf_repository.py", line 1955, in _check
    result.check(callback_refs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/check.py", line 135, in check
    refs[ref] = repo.revision_tree(value)
  File "/usr/lib64/python2.6/site-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/vf_repository.py", line 1839, in revision_tree
    inv = self.get_inventory(revision_id)
  File "/usr/lib64/python2.6/site-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/vf_repository.py", line 1732, in get_inventory
    return self.iter_inventories([revision_id]).next()
  File "/usr/lib64/python2.6/site-packages/bzrlib/vf_repository.py", line 1752, in iter_inventories
    raise errors.NoSuchRevision(self, revid)
NoSuchRevision: CHKInventoryRepository('file:///root/ww/.bzr/repository/') has no revision <email address hidden>

bzr 2.6.0 on python 2.6.6 (Linux-2.6.32-431.29.2.el6.x86_64-x86_64-with-
    centos-6.5-Final)
arguments: ['/usr/bin/bzr', 'check']
plugins: bash_completion[2.6.0], changelog_merge[2.6.0], grep[2.6.0],
    launchpad[2.6.0], netrc_credential_store[2.6.0], news_merge[2.6.0],
    po_merge[2.6.0], weave_fmt[2.6.0]
encoding: 'ascii', fsenc: 'utf8', lang: 'C'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.