Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in D:\xampp\htdocs\trading_temp\vendor\laravel\framework\src\Illuminate\Http\Client\Promises\LazyPromise.php:9 Stack trace: #0 {main} thrown in D:\xampp\htdocs\trading_temp\vendor\laravel\framework\src\Illuminate\Http\Client\Promises\LazyPromise.php on line 9