Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in C:\Xampp\www\0050467\ims-mobile\vendor\guzzlehttp\promises\src\RejectedPromise.php:15 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor\guzzlehttp\promises\src\RejectedPromise.php on line 15