Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in /data/htmlwww/workspace/web-tubanzhang/vendor/guzzlehttp/promises/src/FulfilledPromise.php:10 Stack trace: #0 {main} thrown in /data/htmlwww/workspace/web-tubanzhang/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 10