Fatal error: Uncaught Error: Class 'Egulias\EmailValidator\Parser\PartParser' not found in D:\workspaces\liZiPingBack\vendor\egulias\email-validator\src\Parser\DomainLiteral.php:23 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\egulias\email-validator\src\Parser\DomainLiteral.php on line 23