Fatal error: Uncaught Error: Class "Egulias\EmailValidator\Parser\PartParser" not found in D:\Apache24\www\lupin\back-end\vendor\egulias\email-validator\src\Parser\DomainLiteral.php:23 Stack trace: #0 {main} thrown in D:\Apache24\www\lupin\back-end\vendor\egulias\email-validator\src\Parser\DomainLiteral.php on line 23