File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1422, in mainFunction
    parseFile(parserBuilder, uri, fileToParse, backend, superContext)
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1256, in parseF
    parsingStats = runParser(parserBuilder, backend, superContext, fIn)
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1249, in runParser
    parser.parse()
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1207, in parse
    while self.parseStep():
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1196, in parseStep
    self.goToMatcher(matcherNew, startEnd)
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1172, in goToMatcher
    self.enterInState(tMatcher.index)
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/simple_parser.py", line 1096, in enterInState
    gIndex = self.backend.openSection(s)
  File "/scratch/u/askhl/nomad-lab-base/python-common/common/python/nomadcore/caching_backend.py", line 385, in openSection
    manager = self.sectionManagers[metaName]
KeyError: 'x_siesta_section_xc_authors'