Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in /home/wwiwil/apps/iwill-laravel/vendor/guzzlehttp/promises/src/RejectedPromise.php:15 Stack trace: #0 {main} thrown in /home/wwiwil/apps/iwill-laravel/vendor/guzzlehttp/promises/src/RejectedPromise.php on line 15