Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in E:\xampp\htdocs\webhost_v4\vendor\guzzlehttp\promises\src\Coroutine.php:46 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v4\vendor\guzzlehttp\promises\src\Coroutine.php on line 46