bzr crash on move fresh file

#ls buy-in-game
double-11-nomoney-buy-bycash.test
double-11-nomoney-buy.test
#bzr add buy-in-game
#bzr mv buy-in-game buy-in-game-apmoney
#cd buy-in-game-apmoney
#bzr mv double-11-nomoney-buy-bycash.test double-11-nomoney-buy.test
bzr: ERROR: Could not move double-11-nomoney-buy-bycash.test => double-11-nomoney-buy.test: data/pok/game/rcg/buy-in-game-apmoney/double-11-nomoney-buy.test is already versioned
#bzr mv double-11-nomoney-buy-bycash.test double-11-nomoney-buy-byapm.test
bzr: ERROR: exceptions.IndexError: list index out of range

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 835, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 1030, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 647, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 813, in run
    self._run(tree, names_list, rel_names, after)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 906, in _run
    tree.rename_one(src, dest, after=after)
  File "/usr/lib/python2.5/site-packages/bzrlib/mutabletree.py", line 52, in tree_write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree_4.py", line 1245, in rename_one
    WorkingTree.rename_one(self, from_rel, to_rel, after)
  File "/usr/lib/python2.5/site-packages/bzrlib/mutabletree.py", line 52, in tree_write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree.py", line 1535, in rename_one
    self._write_inventory(inv)
  File "/usr/lib/python2.5/site-packages/bzrlib/mutabletree.py", line 52, in tree_write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree_4.py", line 1270, in _write_inventory
    self.current_dirstate().set_state_from_inventory(inv)
  File "/usr/lib/python2.5/site-packages/bzrlib/dirstate.py", line 2629, in set_state_from_inventory
    fullscan=True)
  File "/usr/lib/python2.5/site-packages/bzrlib/dirstate.py", line 2797, in update_minimal
    other_key = list(existing_keys)[0]
IndexError: list index out of range

bzr 1.18.1 on python 2.5.2 (linux2)
arguments: ['/usr/bin/bzr', 'mv', 'double-11-nomoney-buy-bycash.test', 'double-11-nomoney-buy-byapm.test']
encoding: 'KOI8-U', fsenc: 'KOI8-U', lang: 'uk_UA.KOI8-U'
plugins:
  acad /root/.bazaar/plugins/acad [0.7]
  bzrtools /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [1.18]
  colo /root/.bazaar/plugins/colo [0.0.1]
  fastimport /root/.bazaar/plugins/fastimport [0.9dev]
  file_revno /root/.bazaar/plugins/file_revno [unknown]
  gtk /usr/lib/python2.5/site-packages/bzrlib/plugins/gtk [0.95.0.final.1]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [1.18.1]
  lessdiff /root/.bazaar/plugins/lessdiff [unknown]
  lesslog /root/.bazaar/plugins/lesslog [unknown]
  loom /root/.bazaar/plugins/loom [1.4dev]
  netrc_credential_store /usr/lib/python2.5/site-packages/bzrlib/plugins/netrc_credential_store [1.18.1]
  pager /root/.bazaar/plugins/pager [unknown]
rebase /root/.bazaar/plugins/rebase [0.5.4dev]
  scmproj /root/.bazaar/plugins/scmproj [0.5.2dev]
  svn /root/.bazaar/plugins/svn [0.6.5]
  vimdiff /root/.bazaar/plugins/vimdiff [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.
#bzr st
added:
buy-in-game-apmoney/
buy-in-game-apmoney/double-11-nomoney-buy.test
unknown:
buy-in-game-apmoney/double-11-nomoney-buy-byapm.test
#