HG转换的错误消息是什么意思？

Question

我正在尝试使用HG转换来删除特定的公共文件并创建新的存储库。

命令在特定的修订版中丢下错误。这是错误消息。请让我知道这是关于什么，我该如何解决。

#!python
** Mercurial version (4.6.1).  TortoiseHg version (4.6.1)
** Command: 
** CWD: C:\WINDOWS\system32
** Encoding: cp1252
** Extensions loaded: fetch, keyword, strip, mq, purge, rebase, shelve, split, convert, tortoisehg.util.configitems
** Python version: 2.7.13 (v2.7.13:a06454b1afa1, Dec 17 2016, 20:53:40) [MSC v.1500 64 bit (AMD64)]
** Windows version: sys.getwindowsversion(major=6, minor=2, build=9200, platform=2, service_pack='')
** Processor architecture: x64
** Qt-5.9.2 PyQt-5.9.1 QScintilla-2.10.2.dev1711012104
Traceback (most recent call last):
  File "tortoisehg\hgqt\repowidget.pyo", line 889, in onRevisionSelected
  File "tortoisehg\hgqt\revdetails.pyo", line 307, in onRevisionSelected
  File "tortoisehg\hgqt\revdetails.pyo", line 328, in _setContextToFileList
  File "tortoisehg\hgqt\manifestmodel.pyo", line 289, in setRev
  File "tortoisehg\hgqt\manifestmodel.pyo", line 403, in _repopulateNodes
  File "tortoisehg\hgqt\manifestmodel.pyo", line 431, in _populateNodes
  File "tortoisehg\hgqt\manifestmodel.pyo", line 604, in _populaterepo
  File "tortoisehg\hgqt\manifestmodel.pyo", line 634, in _populatesubrepos
  File "mercurial\util.pyo", line 1437, in __get__
  File "mercurial\context.pyo", line 166, in substate
  File "mercurial\subrepoutil.pyo", line 61, in state
  File "mercurial\context.pyo", line 1088, in data
  File "mercurial\util.pyo", line 1437, in __get__
  File "mercurial\context.pyo", line 702, in _filenode
  File "mercurial\filelog.pyo", line 54, in lookup
  File "mercurial\revlog.pyo", line 1494, in lookup
  File "mercurial\revlog.pyo", line 1416, in _match
  File "mercurial\revlog.pyo", line 812, in rev
WdirUnsupported