console dump with Lark stack trace included

lark-stack-trace.txt

C:\ProgramData\Anaconda3\python.exe R:/GEPyPlot/code/GMC_parser_test.py
2018-01-04 15:33:24,270 - root - INFO - program start
Traceback (most recent call last):
  File "R:/GEPyPlot/code/GMC_parser_test.py", line 56, in <module>
    parser=Parser()
  File "R:\GEPyPlot\code\GMC_parser.py", line 122, in __init__
    self.p = Lark(open("gplus3.lark.txt").read(), start='start', parser="lalr", lexer="contextual")
  File "R:\GEPyPlot\code\lark_master\lark\lark.py", line 155, in __init__
    self.parser = self._build_parser()
  File "R:\GEPyPlot\code\lark_master\lark\lark.py", line 176, in _build_parser
    return self.parser_class(self.lexer_conf, parser_conf, options=self.options)
  File "R:\GEPyPlot\code\lark_master\lark\parser_frontends.py", line 43, in __init__
    self.lexer = ContextualLexer(lexer_conf.tokens, d, ignore=lexer_conf.ignore, always_accept=always_accept)
  File "R:\GEPyPlot\code\lark_master\lark\lexer.py", line 215, in __init__
    self.root_lexer = Lexer(tokens, ignore=ignore)
  File "R:\GEPyPlot\code\lark_master\lark\lexer.py", line 150, in __init__
    self.mres = build_mres(tokens)
  File "R:\GEPyPlot\code\lark_master\lark\lexer.py", line 113, in build_mres
    return _build_mres(tokens, len(tokens), match_whole)
  File "R:\GEPyPlot\code\lark_master\lark\lexer.py", line 104, in _build_mres
    mre = re.compile(u'|'.join(u'(?P<%s>%s)'%(t.name, t.pattern.to_regexp()+postfix) for t in tokens[:max_size]))
  File "C:\ProgramData\Anaconda3\lib\re.py", line 233, in compile
    return _compile(pattern, flags)
  File "C:\ProgramData\Anaconda3\lib\re.py", line 301, in _compile
    p = sre_compile.compile(pattern, flags)
  File "C:\ProgramData\Anaconda3\lib\sre_compile.py", line 562, in compile
    p = sre_parse.parse(p, flags)
  File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 855, in parse
    p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)
  File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 416, in _parse_sub
    not nested and not items))
  File "C:\ProgramData\Anaconda3\lib\sre_parse.py", line 759, in _parse
    raise source.error(err.msg, len(name) + 1) from None
sre_constants.error: redefinition of group name '__AUTODISP6' as group 102; was group 21 at position 2764 (line 6, column 2048)

Process finished with exit code 1