I selected milestone rewards for 20 and 30 nights when I was not at the 20 nights yet. Met the 40, 50 nights in Oct.
just hit 60 nights today
The milestone rewards now asks to me choose 20,30 nights rewards again, not only that, ask me to choose 2 sets of 40 nights in Feb 6 and another 2 sets for 40 nights by March 6. Also 2 sets at 50 nights and 1 set at 60 nights