Fatal error: Uncaught Error: Class "PayPalHttp\HttpRequest" not found in /home/komma/public_html/release/grammar/vendor/tdc/paypal-rest-php/lib/PayPal/Core/RefreshTokenRequest.php:7 Stack trace: #0 {main} thrown in /home/komma/public_html/release/grammar/vendor/tdc/paypal-rest-php/lib/PayPal/Core/RefreshTokenRequest.php on line 7