Fatal error: Uncaught Error: Class 'Egulias\EmailValidator\Parser\PartParser' not found in C:\SistemasPHP\observatorio4\vendor\egulias\email-validator\src\Parser\DomainLiteral.php:23 Stack trace: #0 {main} thrown in C:\SistemasPHP\observatorio4\vendor\egulias\email-validator\src\Parser\DomainLiteral.php on line 23