I am getting the same error as themadness. When I try to edit a page element a gray overlay appears and I am unable to click on anything. If you click, the gray overlay disappears, but so do the options.

hey!

The copy/move feature should be working. When you click it, this window pops up: http://d.pr/i/1j1A1 From there, you can choose which slider you copy or move to.