Deprecated: GuzzleHttp\Command\ServiceClient::__construct(): Implicitly marking parameter $commandHandlerStack as nullable is deprecated, the explicit nullable type must be used instead in /data/www/web/pan.tianzhuicn.com/includes/vendor/guzzlehttp/command/src/ServiceClient.php on line 47

Fatal error: Uncaught Error: Interface "GuzzleHttp\Command\ServiceClientInterface" not found in /data/www/web/pan.tianzhuicn.com/includes/vendor/guzzlehttp/command/src/ServiceClient.php:16 Stack trace: #0 {main} thrown in /data/www/web/pan.tianzhuicn.com/includes/vendor/guzzlehttp/command/src/ServiceClient.php on line 16