Fatal error: Uncaught Error: Class 'WPMailSMTP\Vendor\GuzzleHttp\Exception\TransferException' not found in E:\www\web\wp-content\plugins\wp-mail-smtp\vendor_prefixed\guzzlehttp\guzzle\src\Exception\RequestException.php:12 Stack trace: #0 {main} thrown in E:\www\web\wp-content\plugins\wp-mail-smtp\vendor_prefixed\guzzlehttp\guzzle\src\Exception\RequestException.php on line 12