Fatal error: Uncaught Error: Class "Magento\Payment\Gateway\Config\Config" not found in /home/airtimer/public_html/vendor/amzn/amazon-pay-module/Gateway/Config/Config.php:19 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/amzn/amazon-pay-module/Gateway/Config/Config.php on line 19