Here is a fix release, that lets you associated a non-runing listing in GarageSale with a running or ended listing on eBay. This works by dragging a listing from the “Import from my eBay” panel to the “Live” inspector’s itemID label. Check the attached animation for clues. 
http://downloads.iwascoding.com/downloads/GarageSale_7_2018-02-12.dmg
