Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in E:\www\frey\qgmvc\v1.0\mvc\lib\aliyun-dysms-php-sdk\msg_sdk\vendor\guzzlehttp\promises\src\EachPromise.php:8 Stack trace: #0 {main} thrown in E:\www\frey\qgmvc\v1.0\mvc\lib\aliyun-dysms-php-sdk\msg_sdk\vendor\guzzlehttp\promises\src\EachPromise.php on line 8