Fatal error: Uncaught Error: Interface 'Google\Site_Kit_Dependencies\GuzzleHttp\Promise\PromisorInterface' not found in C:\xampp\htdocs\wp-content\plugins\google-site-kit\third-party\guzzlehttp\promises\src\EachPromise.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\google-site-kit\third-party\guzzlehttp\promises\src\EachPromise.php on line 9