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