Fatal error: Uncaught Error: Class 'Doctrine\Common\Lexer\AbstractLexer' not found in D:\xampp\htdocs\psp\backend\vendor\egulias\email-validator\src\EmailLexer.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\egulias\email-validator\src\EmailLexer.php on line 7