Fatal error: Uncaught Error: Class "PayPal\Api\Payment" not found in /home/rwebserver/public_html/quanta/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/FuturePayment.php:13 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/quanta/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/FuturePayment.php on line 13