def report_parsing_problems(parsing_out):
    """Output message about potential parsing problems."""
    _, empty, faulty = parsing_out
    if CONFIG_FILE in empty or CONFIG_FILE in faulty:
        print('Unable to read global config file', CONFIG_FILE,
              file=sys.stderr)
        print('Please run stagpy config --create',
              sep='\n', end='\n\n', file=sys.stderr)
    if CONFIG_LOCAL in faulty:
        print('Unable to read local config file', CONFIG_LOCAL,
              file=sys.stderr)
        print('Please run stagpy config --create_local',
              sep='\n', end='\n\n', file=sys.stderr)
Output message about potential parsing problems.