Fatal error: Uncaught Error: Class 'Egulias\EmailValidator\Parser\PartParser' not found in E:\xampp\htdocs\www\qr251\vendor\egulias\email-validator\src\Parser\FoldingWhiteSpace.php:16 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\qr251\vendor\egulias\email-validator\src\Parser\FoldingWhiteSpace.php on line 16