Fatal error: Uncaught Error: Class "Magento\Framework\App\Helper\AbstractHelper" not found in /var/www/magento/html/app/code/BBNT/Base/Helper/GiftCardConfig.php:13 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/BBNT/Base/Helper/GiftCardConfig.php on line 13