Fatal error: Uncaught Error: Class "Egulias\EmailValidator\Warning\Warning" not found in C:\WebServer\htdocs\bookshelf\vendor\egulias\email-validator\src\Warning\DomainLiteral.php:5 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\egulias\email-validator\src\Warning\DomainLiteral.php on line 5