Fatal error: Uncaught Error: Class 'Doctrine\Common\Lexer\AbstractLexer' not found in C:\Apache24\htdocs\vehicle\vendor\doctrine\common\lib\Doctrine\Common\Lexer.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vehicle\vendor\doctrine\common\lib\Doctrine\Common\Lexer.php on line 23