Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in E:\bin\Apache24\htdocs\composer\vendor\guzzlehttp\promises\src\Promise.php:14 Stack trace: #0 {main} thrown in E:\bin\Apache24\htdocs\composer\vendor\guzzlehttp\promises\src\Promise.php on line 14