Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromisorInterface' not found in E:\xampp\htdocs\webhost_v4\vendor\guzzlehttp\promises\src\EachPromise.php:13 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v4\vendor\guzzlehttp\promises\src\EachPromise.php on line 13