Fatal error: Uncaught Error: Class "Doctrine\Common\Lexer\AbstractLexer" not found in /home2/wyjjnike/public_html/dpsdev/vendor/doctrine/lexer/tests/Doctrine/Common/Lexer/ConcreteLexer.php:7 Stack trace: #0 {main} thrown in /home2/wyjjnike/public_html/dpsdev/vendor/doctrine/lexer/tests/Doctrine/Common/Lexer/ConcreteLexer.php on line 7