Fatal error: Uncaught Error: Class "Doctrine\Common\Lexer\AbstractLexer" not found in I:\www\frameworks\Symfony\doctrine\vendor\egulias\email-validator\src\EmailLexer.php:7 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\egulias\email-validator\src\EmailLexer.php on line 7