Fatal error: Uncaught Error: Class 'Doctrine\Common\Lexer\AbstractLexer' not found in /home/custompr/psle.custompropackaging.com/vendor/doctrine/lexer/tests/EnumLexer.php:13 Stack trace: #0 {main} thrown in /home/custompr/psle.custompropackaging.com/vendor/doctrine/lexer/tests/EnumLexer.php on line 13