eBay Error: The category is not valid, select another category. (short message: Category is not valid., code: 107)

When listing to eBay you may encounter this error:

[ERROR] The category is not valid, select another category. (short message: Category is not valid., code: 107)

This error is typically raised when the user account does not have access to the Category where eBay would like to list this product.

Common Issues to check:

• This is an eBay Motors category but the eBay site type in Spark Shipping is set to eBay?