Fatal error: Uncaught Error: Class "Core\Types\Sdk\CoreRequest" not found in C:\xampp\htdocs\www\zdxnew\web\vendor\paypal\paypal-server-sdk\src\Http\HttpRequest.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\www\zdxnew\web\vendor\paypal\paypal-server-sdk\src\Http\HttpRequest.php on line 18