Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in /home/maborneapp/public_html/test/vendor/guzzlehttp/promises/src/FulfilledPromise.php:11
Stack trace:
#0 {main}
thrown in /home/maborneapp/public_html/test/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 11