qbzr crashes on commit of a file

Description:
I tried to commit a file that I had just added to the repository.
It seems to crash with only this file.

Traceback:
bzr: ERROR: exceptions.TypeError: list indices must be integers

Traceback (most recent call last):
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\trace.py", line 286, in reports_exception_decorate
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\commit.py", line 452, in load
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\treewidget.py", line 1129, in set_tree
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\treewidget.py", line 832, in set_checked_paths
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\treewidget.py", line 826, in set_checked_items
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\treewidget.py", line 798, in refs2indexes
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\treewidget.py", line 792, in ref2index
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\treewidget.py", line 520, in _index_from_id
TypeError: list indices must be integers

bzr 2.0.3 on python 2.5.4 (win32)
arguments: ['C:\\Program Files (x86)\\Bazaar\\bzr.exe', '--command=commit', '--file=C:\\Coding\\R\\Sim\\GenericCta\\CtaSim.R']
encoding: 'cp1252', fsenc: 'mbcs', lang: None
plugins:
  bzrtools C:\Program Files (x86)\Bazaar\plugins\bzrtools [2.0.1]
  explorer C:\Program Files (x86)\Bazaar\plugins\explorer [0.8.3]
  launchpad C:\Program Files (x86)\Bazaar\plugins\launchpad [2.0.3]
  netrc_credential_store C:\Program Files (x86)\Bazaar\plugins\netrc_credential_store [2.0.3]
  qbzr C:\Program Files (x86)\Bazaar\plugins\qbzr [0.14.5]
  rebase C:\Program Files (x86)\Bazaar\plugins\rebase [0.5.4]
  svn C:\Program Files (x86)\Bazaar\plugins\svn [1.0.0]
  upload C:\Program Files (x86)\Bazaar\plugins\upload [1.0.0dev]
  xmloutput C:\Program Files (x86)\Bazaar\plugins\xmloutput [0.8.5]