Fatal error: Uncaught Error: Interface 'WPMailSMTP\Vendor\GuzzleHttp\Promise\TaskQueueInterface' not found in /var/www/sweves.se/httpdocs/wp-content/plugins/wp-mail-smtp/vendor_prefixed/guzzlehttp/promises/src/TaskQueue.php:17 Stack trace: #0 {main} thrown in /var/www/sweves.se/httpdocs/wp-content/plugins/wp-mail-smtp/vendor_prefixed/guzzlehttp/promises/src/TaskQueue.php on line 17