Fatal error: Uncaught Error: Interface "Psr\Http\Message\RequestInterface" not found in D:\Apache24\www\api.print.nxytec.cn\back\vendor\psr\http-message\src\ServerRequestInterface.php:45 Stack trace: #0 {main} thrown in D:\Apache24\www\api.print.nxytec.cn\back\vendor\psr\http-message\src\ServerRequestInterface.php on line 45