GhostRevisionError in get_revid_branch_info

[Mad Knight]

bzr: ERROR: bzrlib.plugins.qbzr.lib.loggraphprovider.GhostRevisionError: {<email address hidden>} is a ghost.

Traceback (most recent call last):
  File "C:/Program Files/Bazaar/plugins\qbzr\lib\util.py", line 856, in decorate
  File "C:/Program Files/Bazaar/plugins\qbzr\lib\util.py", line 868, in run_in_loading_queue
  File "C:/Program Files/Bazaar/plugins\qbzr\lib\uifactory.py", line 32, in decorate
  File "C:/Program Files/Bazaar/plugins\qbzr\lib\log.py", line 468, in load_delta
  File "C:/Program Files/Bazaar/plugins\qbzr\lib\loggraphprovider.py", line 1667, in get_revid_branch
  File "C:/Program Files/Bazaar/plugins\qbzr\lib\loggraphprovider.py", line 1660, in get_revid_branch_info
GhostRevisionError: {<email address hidden>} is a ghost.

bzr 2.2.3 on python 2.6.4 (win32)
arguments: ['C:\\Program Files\\Bazaar\\bzrw.exe', 'qlog']
encoding: 'cp949', fsenc: 'mbcs', lang: 'KO'
plugins:
  bzrtools C:\Program Files\Bazaar\plugins\bzrtools [2.2.0]
  colo C:\Program Files\Bazaar\plugins\colo [0.2.0]
  explorer C:\Program Files\Bazaar\plugins\explorer [1.1.2]
  fastimport C:\Program Files\Bazaar\plugins\fastimport [0.9.0dev]
  launchpad C:\Program Files\Bazaar\plugins\launchpad [2.2.3]
  loom C:\Program Files\Bazaar\plugins\loom [2.2.1dev]
  netrc_credential_store C:\Program Files\Bazaar\plugins\netrc_credential_store [2.2.3]
  news_merge C:\Program Files\Bazaar\plugins\news_merge [2.2.3]
  pipeline C:\Program Files\Bazaar\plugins\pipeline [1.1.0]
  qbzr C:\Program Files\Bazaar\plugins\qbzr [0.19.2]
  rewrite C:\Program Files\Bazaar\plugins\rewrite [0.6.1]
  svn C:\Program Files\Bazaar\plugins\svn [1.0.4]
  upload C:\Program Files\Bazaar\plugins\upload [1.0.0]
  xmloutput C:\Program Files\Bazaar\plugins\xmloutput [0.8.6]