This is because SoldEazy's store template can only be applied to an old version of eBay store, user has to downgrade a store in order to apply the store template

eBay store version upgrade/downgrade steps:

Upgrade:

1. Go to http://www.pages.ebay.com/storefronts/update/

2. Click "Preview Store"

3. Click "Publish"

Downgrade：

1. Go to http://www.pages.ebay.com/storefronts/update/

2. Click "Preview Store"

3. Scroll down to find "edit store" then click

4. Click "revert to my old shop"

If you cannot find the "revert to my old store/shop" button, please click "Publish" first, then return to this page, you'll see the button and be able to click

Done~