Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientInterface" not found in /home/lcanetwork/public_html/qr/vendor/yansongda/pay/src/Contract/HttpClientInterface.php:9 Stack trace: #0 {main} thrown in /home/lcanetwork/public_html/qr/vendor/yansongda/pay/src/Contract/HttpClientInterface.php on line 9