Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in /home/u5073767/hire.worldtrustmedia.com/GoogleAPI/vendor/guzzlehttp/promises/src/Promise.php:9 Stack trace: #0 {main} thrown in /home/u5073767/hire.worldtrustmedia.com/GoogleAPI/vendor/guzzlehttp/promises/src/Promise.php on line 9