Fatal error: Uncaught Error: Class 'GuzzleHttp\Command\Guzzle\GuzzleClient' not found in /opt/lampp/htdocs/vendor/qcloud/cos-sdk-v5/src/Client.php:126 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/vendor/qcloud/cos-sdk-v5/src/Client.php on line 126