Fatal error: Uncaught Error: Class 'Doctrine\Common\Lexer\AbstractLexer' not found in /home/clademy/lms.clademy.com/vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocLexer.php:19 Stack trace: #0 {main} thrown in /home/clademy/lms.clademy.com/vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocLexer.php on line 19