Fatal error: Uncaught Error: Class 'WPMailSMTP\Vendor\GuzzleHttp\Promise\RejectionException' not found in /home/wpsindicoprofiss/www/wp-content/plugins/wp-mail-smtp/vendor_prefixed/guzzlehttp/promises/src/AggregateException.php:8 Stack trace: #0 {main} thrown in /home/wpsindicoprofiss/www/wp-content/plugins/wp-mail-smtp/vendor_prefixed/guzzlehttp/promises/src/AggregateException.php on line 8