Fatal error: Uncaught Error: Interface "GuzzleHttp\Handler\CurlFactoryInterface" not found in C:\Users\Administrator\Desktop\xamp\htdocs\sdk\guzzlehttp\guzzle\src\Handler\CurlFactory.php:21 Stack trace: #0 {main} thrown in C:\Users\Administrator\Desktop\xamp\htdocs\sdk\guzzlehttp\guzzle\src\Handler\CurlFactory.php on line 21