Fatal error: Uncaught Error: Interface "Magento\Framework\Api\ExtensibleDataInterface" not found in /var/www/magento/html/app/code/BBNT/GiftCardAccount/Api/Data/RmsGiftCardAccountInterface.php:14 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/BBNT/GiftCardAccount/Api/Data/RmsGiftCardAccountInterface.php on line 14