Fatal error: Uncaught Error: Interface "Magento\Payment\Model\Method\ConfigInterface" not found in /home/airtimer/public_html/vendor/magento/module-paypal/Model/AbstractConfig.php:17 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/module-paypal/Model/AbstractConfig.php on line 17