Fatal error: Uncaught Error: Class "Stripe\ApiResource" not found in /home/marketappz/public_html/Shopify-Subscription-App/Stripe/stripe/lib/SubscriptionScheduleRevision.php:21 Stack trace: #0 {main} thrown in /home/marketappz/public_html/Shopify-Subscription-App/Stripe/stripe/lib/SubscriptionScheduleRevision.php on line 21