Still not working
Decided to completely remove and redo cart. The same exact issue - Cannot add column to the display manager although column choices appear when clicking the plus sign.
(I could delete a column though....)
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.