Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in /home/ldt/public_html/canvas/udoit/vendor/guzzlehttp/promises/src/FulfilledPromise.php:15 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 15