Repo Sync Error - 5/13/2013

Checking out files: 100% (20306/20306), done.ut files:  23% (4712/20306)
Syncing work tree:  97% (408/420)  Traceback (most recent call last):
  File "/home/andrew/aokp/.repo/repo/main.py", line 414, in <module>
    _Main(sys.argv[1:])
  File "/home/andrew/aokp/.repo/repo/main.py", line 390, in _Main
    result = repo._Run(argv) or 0
  File "/home/andrew/aokp/.repo/repo/main.py", line 138, in _Run
    result = cmd.Execute(copts, cargs)
  File "/home/andrew/aokp/.repo/repo/subcmds/sync.py", line 630, in Execute
    project.Sync_LocalHalf(syncbuf)
  File "/home/andrew/aokp/.repo/repo/project.py", line 1086, in Sync_LocalHalf
    lost = self._revlist(not_rev(revid), HEAD)
  File "/home/andrew/aokp/.repo/repo/project.py", line 2006, in _revlist
    return self.work_git.rev_list(*a, **kw)
  File "/home/andrew/aokp/.repo/repo/project.py", line 2155, in rev_list
    p.stderr))
error.GitError: AOKP/vendor_aokp rev-list ('^950b658a32d5222141fdc3465add3c696dcd92d5', 'HEAD', '--'): fatal: bad object HEAD