Problem listing Classified ad

For several days, I’ve been trying to list my “new” Stellar 15LV low-volume lightweight 15-foot kayak for Sale in the paddling.com classifieds. Each time, the website seems to accept the description and photos, but the ad is never posted when I click the Publish button! Has anyone else had this problem? Is there a way to post an ad, or has the Classified part of the website broken?