Fatal error: Uncaught Error: Class "CommerceGuys\AuthNet\ARBSubscriptionRequest" not found in /home/renatori/harmoniflor.com.br/vendor/commerceguys/authnet/src/ARBCreateSubscriptionRequest.php:12 Stack trace: #0 {main} thrown in /home/renatori/harmoniflor.com.br/vendor/commerceguys/authnet/src/ARBCreateSubscriptionRequest.php on line 12