Fatal error: Uncaught Error: Class "GuzzleHttp\Psr7\Request" not found in E:\phpProject\TEST\vat_api_se_client\vendor\guzzlehttp\psr7\src\ServerRequest.php:27 Stack trace: #0 {main} thrown in E:\phpProject\TEST\vat_api_se_client\vendor\guzzlehttp\psr7\src\ServerRequest.php on line 27