Fatal error: Uncaught Error: Class 'Egulias\EmailValidator\Warning\Warning' not found in D:\xampp\htdocs\psp\backend\vendor\egulias\email-validator\src\Warning\NoDNSMXRecord.php:5 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\egulias\email-validator\src\Warning\NoDNSMXRecord.php on line 5