Fatal error: Uncaught Error: Class 'Egulias\EmailValidator\Validation\RFCValidation' not found in E:\xampp\htdocs\vendor\egulias\email-validator\EmailValidator\Validation\NoRFCWarningsValidation.php:9 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\egulias\email-validator\EmailValidator\Validation\NoRFCWarningsValidation.php on line 9