KeyError: 'm'

[stepancheg]

I downloaded sapling, and a lot of commands fail. One of such failures is:

sl shelve

** Sapling SCM (version 0.2.20241203-120811-a2174689) has crashed:
Traceback (most recent call last):
  File "static:sapling", line 86, in run
    dispatch.run(args, fin, fout, ferr, ctx, skipprehooks)
  File "static:sapling.dispatch", line 161, in run
    status = (dispatch(req) or 0) & 255
              ^^^^^^^^^^^^^
  File "static:sapling.dispatch", line 344, in dispatch
    ret = _runcatch(req)
          ^^^^^^^^^^^^^^
  File "static:sapling.dispatch", line 528, in _runcatch
    return _callcatch(ui, req, _runcatchfunc)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.dispatch", line 537, in _callcatch
    return scmutil.callcatch(ui, req, func)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.scmutil", line 151, in callcatch
    return func()
           ^^^^^^
  File "static:sapling.dispatch", line 515, in _runcatchfunc
    return _dispatch(req)
           ^^^^^^^^^^^^^^
  File "static:sapling.dispatch", line 1083, in _dispatch
    ret = runcommand(
          ^^^^^^^^^^^
  File "static:sapling.ext.undo", line 176, in _runcommandwrapper
    result = orig(lui, repo, cmd, fullargs, *args)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.undo", line 120, in origunsetpid
    return _orig(*args, **opts)
           ^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.journal", line 82, in runcommand
    return orig(lui, repo, cmd, fullargs, *args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.dispatch", line 755, in runcommand
    ret = _runcommand(ui, options, cmd, d)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.dispatch", line 1134, in _runcommand
    return cmdfunc()
           ^^^^^^^^^
  File "static:sapling.dispatch", line 1082, in <lambda>
    d = lambda: util.checksignature(func)(ui, *args, **strcmdopt)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.util", line 1376, in check
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.util", line 1376, in check
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.dirsync", line 142, in _bypassdirsync
    return orig(ui, repo, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.util", line 1376, in check
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.shelve", line 1225, in shelvecmd
    return createcmd(ui, repo, pats, opts)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.shelve", line 364, in createcmd
    return _docreatecmd(ui, repo, pats, opts)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.shelve", line 498, in _docreatecmd
    node = cmdutil.commit(ui, repo, commitfunc, pats, opts)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.cmdutil", line 3826, in commit
    return commitfunc(ui, repo, message, matcher, opts)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.shelve", line 427, in commitfunc
    return repo.commit(
           ^^^^^^^^^^^^
  File "static:sapling.extensions", line 641, in closure
    return func(*(args + a), **kw)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.ext.remotenames", line 308, in excommit
    res = orig(repo, *args, **opts)
          ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.localrepo", line 2792, in commit
    cctx.markcommitted(ret)
  File "static:sapling.context", line 2224, in markcommitted
    super(workingctx, self).markcommitted(node)
  File "static:sapling.context", line 1862, in markcommitted
    self._repo.dirstate.delete(f)
  File "static:sapling.dirstate", line 557, in delete
    oldstate = self[f]
               ~~~~^^^
  File "static:sapling.dirstate", line 325, in __getitem__
    return self._map.get(key, ("?", 0, 0, 0))[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "static:sapling.treestate", line 162, in get
    entry = self._get(key)
            ^^^^^^^^^^^^^^
  File "static:sapling.eden_dirstate_map", line 163, in _get
    modefromflag[flag],
    ~~~~~~~~~~~~^^^^^^
KeyError: 'm'

There are git submodules in the repository, not sure if that's relevant.