If you have obtained Star Wars Destiny Singles to sell in your store, but are having problems importing them into your system, it may be because you don't have the appropriate Star Wars Destiny Singles product type.
To check (and create it if necessary), locate your product type tab via Inventory > Types.
From here, search for the product type called Star Wars Destiny Singles. If you have it, make sure the descriptors match the following or create the product type with these descriptors:
For a full rundown of how to create your product types, please see this article.
For the condition variants, you may use:
Make sure you also select the official catalog options with the dropdown options.