Follow the steps below to map the Shipping methods:
1. Click on channels in our app>>click on Shipping method under WooCommerce account.
2. To add / map new Shipping method>>tick on checkbox and add the Shipping method missing & save the same. Once saved, under orders section:
**New WooCommerce orders with saved Shipping methods would be syncing to Amazon FBA automatically.
**Post changes for existing rejected orders with same issue, click on re-submit option to sync them to FBA.