Can't Extract Legendary Power in Kanai's Cube

  • Hi-

    I'm trying to extract a legendary item's power in Kanai's Cube. I go to the recipe, put in my item, I click fill, but when I click transmute I get a message saying transmute failed.

    Is anyone else having this issue? I notice that "fill" puts in all of my crafting materials rather than just 1 of each.

    Thanks in advance