Fatal error: Uncaught Error: Class "Doctrine\Common\Lexer\AbstractLexer" not found in /home/aipnbsfo/public_html/vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocLexer.php:21 Stack trace: #0 {main} thrown in /home/aipnbsfo/public_html/vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/DocLexer.php on line 21