Cannot use optional reference with function

[ostrolucky]

Tried to find similar bug report, could not find one with same error message though, which makes me believe this might be different:

expression: 50%? @company_<numberBetween(5, 10)>

In ExpressionLanguageExceptionFactory.php line 59:
                                                                                                                                              
  [Nelmio\Alice\Throwable\Exception\FixtureBuilder\ExpressionLanguage\MalformedFunctionException]                                             
  The value "@company_<aliceTokenizedFunction(FUNCTION_START__numberBetween__5, 10IDENTITY_OR_FUNCTION_END)>" contains an unclosed function.  
                                                                                                                                              

Exception trace:
 Nelmio\Alice\Throwable\Exception\FixtureBuilder\ExpressionLanguage\ExpressionLanguageExceptionFactory::createForMalformedFunction() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Lexer/FunctionTokenizer.php:121
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Lexer\FunctionTokenizer->buildTree() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Lexer/FunctionTokenizer.php:45
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Lexer\FunctionTokenizer->tokenize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Lexer/FunctionLexer.php:54
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Lexer\FunctionLexer->lex() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Lexer/GlobalPatternsLexer.php:63
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Lexer\GlobalPatternsLexer->lex() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Lexer/ReferenceEscaperLexer.php:49
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Lexer\ReferenceEscaperLexer->lex() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Lexer/EmptyValueLexer.php:44
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Lexer\EmptyValueLexer->lex() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/SimpleParser.php:56
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\SimpleParser->parse() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/TokenParser/Chainable/OptionalTokenParser.php:55
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\TokenParser\Chainable\OptionalTokenParser->parse() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/TokenParser/TokenParserRegistry.php:71
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\TokenParser\TokenParserRegistry->parse() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/SimpleParser.php:81
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\SimpleParser->parseToken() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/SimpleParser.php:59
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\SimpleParser->parse() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/StringMergerParser.php:45
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\StringMergerParser->parse() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/ExpressionLanguage/Parser/FunctionFixtureReferenceParser.php:48
 Nelmio\Alice\FixtureBuilder\ExpressionLanguage\Parser\FunctionFixtureReferenceParser->parse() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SpecificationBagDenormalizer/Value/SimpleValueDenormalizer.php:70
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SpecificationBagDenormalizer\Value\SimpleValueDenormalizer->parseValue() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SpecificationBagDenormalizer/Value/SimpleValueDenormalizer.php:46
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SpecificationBagDenormalizer\Value\SimpleValueDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SpecificationBagDenormalizer/Value/UniqueValueDenormalizer.php:49
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SpecificationBagDenormalizer\Value\UniqueValueDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SpecificationBagDenormalizer/Property/SimplePropertyDenormalizer.php:42
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SpecificationBagDenormalizer\Property\SimplePropertyDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SpecificationBagDenormalizer/SimpleSpecificationsDenormalizer.php:147
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SpecificationBagDenormalizer\SimpleSpecificationsDenormalizer->denormalizeProperty() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SpecificationBagDenormalizer/SimpleSpecificationsDenormalizer.php:105
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SpecificationBagDenormalizer\SimpleSpecificationsDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/Chainable/SimpleDenormalizer.php:83
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\Chainable\SimpleDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/FixtureDenormalizerRegistry.php:63
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\FixtureDenormalizerRegistry->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/Chainable/CollectionDenormalizerWithTemporaryFixture.php:169
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\Chainable\CollectionDenormalizerWithTemporaryFixture->denormalizeTemporaryFixture() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/Chainable/CollectionDenormalizerWithTemporaryFixture.php:126
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\Chainable\CollectionDenormalizerWithTemporaryFixture->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/Chainable/SimpleCollectionDenormalizer.php:118
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\Chainable\SimpleCollectionDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/FixtureDenormalizerRegistry.php:63
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\FixtureDenormalizerRegistry->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/Fixture/SimpleFixtureBagDenormalizer.php:74
 Nelmio\Alice\FixtureBuilder\Denormalizer\Fixture\SimpleFixtureBagDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/Denormalizer/SimpleDenormalizer.php:48
 Nelmio\Alice\FixtureBuilder\Denormalizer\SimpleDenormalizer->denormalize() at /var/www/vendor/nelmio/alice/src/FixtureBuilder/SimpleBuilder.php:41
 Nelmio\Alice\FixtureBuilder\SimpleBuilder->build() at /var/www/vendor/nelmio/alice/src/Loader/SimpleDataLoader.php:47
 Nelmio\Alice\Loader\SimpleDataLoader->loadData() at /var/www/vendor/nelmio/alice/src/Loader/SimpleFilesLoader.php:65
 Nelmio\Alice\Loader\SimpleFilesLoader->loadFiles() at /var/www/vendor/nelmio/alice/src/Loader/NativeLoader.php:247
 Nelmio\Alice\Loader\NativeLoader->loadFiles() at /var/www/src/DataFixtures/FixtureLoader.php:93

[theofidry]

See my comment here: #797 (comment), #601 is the real fix