Fatal error: Uncaught Error: Class 'Egulias\EmailValidator\Parser\PartParser' not found in /opt/lampp/htdocs/io.core.websocket/vendor/egulias/email-validator/src/Parser/DomainLiteral.php:23 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/io.core.websocket/vendor/egulias/email-validator/src/Parser/DomainLiteral.php on line 23