Fatal error: Uncaught Error: Class "GuzzleHttp\Psr7\Request" not found in C:\Apache24\htdocs\cms_upgrade\vendor\guzzlehttp\psr7\src\ServerRequest.php:25
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cms_upgrade\vendor\guzzlehttp\psr7\src\ServerRequest.php on line 25