Please upgrade your Riverty Plugin via 1 of the 2 below methods.
If you require assistance, please contact: support@riverty.com
Access the Adobe marketplace to download the file directly: Adobe Riverty App
composer require arvato/afterpay-magento-2-extension
bin/magento setup:upgrade
bin/magento cache:clean
bin/magento cache:flush
This will ensure that Magento recognizes the updated package/module.