Fatal error: Uncaught Error: Class 'Etsy\Resource' not found in /home/app3/public_html/service/vendor/rhysnhall/etsy-php-sdk/src/Resources/ListingProperty.php:13 Stack trace: #0 {main} thrown in /home/app3/public_html/service/vendor/rhysnhall/etsy-php-sdk/src/Resources/ListingProperty.php on line 13