Fatal error: Uncaught Error: Class 'PayPalHttp\IOException' not found in /var/www/html/RIE/vendor/paypal/paypalhttp/lib/PayPalHttp/HttpException.php:5 Stack trace: #0 {main} thrown in /var/www/html/RIE/vendor/paypal/paypalhttp/lib/PayPalHttp/HttpException.php on line 5