Fatal error: Uncaught Error: Class "PayPalCheckoutSdk\Payments\CapturesRefundRequest" not found in /var/www/html/ohnishi-test.site/_paypal-develop-php/samples/RefundOrder.php:31
Stack trace:
#0 /var/www/html/ohnishi-test.site/_paypal-develop-php/samples/RefundOrder.php(59): Sample\RefundOrder::refundOrder()
#1 {main}
thrown in /var/www/html/ohnishi-test.site/_paypal-develop-php/samples/RefundOrder.php on line 31