The item specific For sale by is missing

[oz-engines]

It looks like there's a problem with this listing.

• The item specific For sale by is missing. Add For sale by to this listing, enter a valid value, and then try again.

Can anyone please assist

[twyngwyn]

sorry...I don't understand....can you take a screenshot?

[papermoon.lady]

There is a comment about that error here (you have to scroll down to find it):

Common eBay Listing Errors and how to resolve them. : Omnivore Support