Fatal error: Uncaught Error: Interface "PayPal\Handler\IPayPalHandler" not found in /home/wilpf/public_html/pms/vendor/paypal/rest-api-sdk-php/lib/PayPal/Handler/OauthHandler.php:18
Stack trace:
#0 {main}
thrown in /home/wilpf/public_html/pms/vendor/paypal/rest-api-sdk-php/lib/PayPal/Handler/OauthHandler.php on line 18