Ruby implementation of openEHR

Exception @Racc::!ParseError' at lib/!parser.y:1899 - !openEHR-EHR-CLUSTER.exam-chest.v1.adl:67: Inline syntax error on :Comma_code
Exception @Test::Unit::!AssertionFailedError' at /usr/local/lib/ruby/1.8/test/unit/!assertions.rb:48 - Exception raised:
Class: Racc::!ParseError
Message: <"!openEHR-EHR-CLUSTER.exam-chest.v1.adl:67: Inline syntax error on :Comma_code">
---Backtrace---
lib/!parser.y:1899:in @on_error'
lib/!parser.y:66:in @_racc_yyparse_c'
lib/!parser.y:1201:in @scan'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1383:in @scan_adl'
lib/!parser.y:1601:in @scan_cadl'
lib/!parser.y:1876:in @scan_term_constraint'
lib/!parser.y:1475:in @scan_cadl'
lib/!parser.y:1875:in @scan_term_constraint'
lib/!parser.y:1600:in @scan_cadl'
lib/!parser.y:1382:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lib/!parser.y:1377:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lF
Finished in 746.786127 seconds.

1) Failure:
test_parse(ADL!ParserTest) ![./tests/parser_test.rb:79]:
Exception raised:
Class: Racc::!ParseError
Message: <"!openEHR-EHR-CLUSTER.exam-chest.v1.adl:67: Inline syntax error on :Comma_code">
---Backtrace---
lib/!parser.y:1899:in @on_error'
lib/!parser.y:66:in @_racc_yyparse_c'
lib/!parser.y:1201:in @scan'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1378:in @scan_adl'
lib/!parser.y:1759:in @scan_dadl'
lib/!parser.y:1383:in @scan_adl'
lib/!parser.y:1601:in @scan_cadl'
lib/!parser.y:1876:in @scan_term_constraint'
lib/!parser.y:1475:in @scan_cadl'
lib/!parser.y:1875:in @scan_term_constraint'
lib/!parser.y:1600:in @scan_cadl'
lib/!parser.y:1382:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lib/!parser.y:1377:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lib/!parser.y:1377:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lib/!parser.y:1377:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lib/!parser.y:1377:in @scan_adl'
lib/!parser.y:1758:in @scan_dadl'
lib/!parser.y:1377:in @scan_adl'
lib/!parser.y:1200:in @scan'
/usr/local/lib/ruby/1.8/racc/!parser.rb:152:in @_racc_yyparse_c'
/usr/local/lib/ruby/1.8/racc/!parser.rb:152:in @!+send!+'
/usr/local/lib/ruby/1.8/racc/!parser.rb:152:in @yyparse'
lib/!parser.y:1895:in @parse'
./tests/!parser_test.rb:80:in @test_parse'

./tests/!parser_test.rb:79:in @test_parse'¶