techmik@michaels-laptop:~/android/system$ repo sync -j20
Traceback (most recent call last):
  File "/home/techmik/android/system/.repo/repo/main.py", line 238, in <module>
    _Main(sys.argv[1:])
  File "/home/techmik/android/system/.repo/repo/main.py", line 220, in _Main
    repo._Run(argv)
  File "/home/techmik/android/system/.repo/repo/main.py", line 125, in _Run
    cmd.Execute(copts, cargs)
  File "/home/techmik/android/system/.repo/repo/subcmds/sync.py", line 381, in Execute
    all = self.GetProjects(args, missing_ok=True)
  File "/home/techmik/android/system/.repo/repo/command.py", line 63, in GetProjects
    all = self.manifest.projects
  File "/home/techmik/android/system/.repo/repo/manifest_xml.py", line 186, in projects
    self._Load()
  File "/home/techmik/android/system/.repo/repo/manifest_xml.py", line 243, in _Load
    self._ParseManifest(False)
  File "/home/techmik/android/system/.repo/repo/manifest_xml.py", line 323, in _ParseManifest
    (project.name, self.manifestFile))
error.ManifestParseError: duplicate project teamhacksung/android_kernel_samsung_aries in /home/techmik/android/system/.repo/local_manifest.xml