Fatal error: Uncaught Error: Class 'WPMailSMTP\Vendor\GuzzleHttp\Psr7\Request' not found in E:\www\web\wp-content\plugins\wp-mail-smtp\vendor_prefixed\guzzlehttp\psr7\src\ServerRequest.php:24 Stack trace: #0 {main} thrown in E:\www\web\wp-content\plugins\wp-mail-smtp\vendor_prefixed\guzzlehttp\psr7\src\ServerRequest.php on line 24