If you start the grind from the plan screen, make sure that you are not clicking on an item that you already have enough of. I have done that a couple of times and the result is what you said.
If you start the grind from the plan screen, make sure that you are not clicking on an item that you already have enough of. I have done that a couple of times and the result is what you said.
The opinions expressed on this post are my own as a player, not as a Moderator.