Fatal error: Uncaught Error: Interface "CoreInterfaces\Sdk\ExceptionInterface" not found in C:\xampp\htdocs\www\zdxnew\web\vendor\paypal\paypal-server-sdk\src\Exceptions\ApiException.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\www\zdxnew\web\vendor\paypal\paypal-server-sdk\src\Exceptions\ApiException.php on line 21