Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in /home/eshoppy/api.eshoppy.com.in/vendor-firebase/guzzlehttp/promises/src/Promise.php:10 Stack trace: #0 {main} thrown in /home/eshoppy/api.eshoppy.com.in/vendor-firebase/guzzlehttp/promises/src/Promise.php on line 10