If your store is no longer connected to eBay LINK we are unable to fetch products and deliver orders to you. To re-establish the connection, all you need to do is uninstall the eBay LINK application and re-install it.
To uninstall an app from Shopify, login to Shopify and select apps from the left hand navigation. You will see eBay LINK - hover over over the 3 dots and then click 'Remove this app'.
To uninstall an app from Bigcommerce, login to Bigcommerce and go to your apps section and find eBay LINK. Click 'Uninstall'.
Once you have uninstalled the app, you can re-install by following the instructions in our FAQ How do I install the eBay LINK app?