How to check if the app is configured correctly?
Please ensure to do a test order on Shopify and ensure to search on Amazon seller-central of the order. Let suppose order number is #1001 then search on Seller-central for the exact order number. It should have the correct address and correct shipping speed.
We need the following information minimum filled in for app to work:
1. Amazon Token are filled in for the app,
2. The Configuration page settings are filled in correctly
3. The Fulfillment by Amazon FBA, default Shopify app for USA (applicable if the store is in USA) is turned off.
Can be found under: [your store].myshopify.com/admin/settings/shipping
4. The setting on page is as below screenshot.
5. The fulfillment service on all item pages Should be Manual or Shopify. (This setting is useful if the Auto tracking is enabled on the app). This is however the default setting of all items normally on Shopify.