Quote Originally Posted by Alhanelem View Post
"you couldn't obtain the item" can also be shown if you already possess another of the same rare/ex item.
Right, though in this case, if I remember correct-like, we get a different item if we already have the Echad Ring.

That said, it's not entirely clear if the first one was actually discarded since there is a mention of a second ring, but then that would make no sense if they actually saw the message about the mog pell...