So this has happened to me twice now, and I'm not sure if it's a bug or not, but when I go into a dungeon and there is an item that is dropped, I can't need it. I don't have the item at all, and yet it wont let me Need it. For instance, I was recently in a Stone Vigil dungeon with my lvl 40 PLD, and Aetherial Mythril Barbut, a helm, dropped, but it wouldn't let me Need it, it was grayed out for some reason. I don't know if its a bug, or what, but its very odd and irritating when I need to upgrade a class.