Why was my Dark Abyss stage completion backtracked?

grindshot

Yesterday my stage completion was up until 51 . . . I have been in stage 51 for 2 days already

Then today when I checked to try to see if I can claim some rewards it showed I\'m only up to 50!;That was my stage completion 3 days ago. I am confused was there some rollback or something with the update?

Server: 1071;

yenn

It only saves every 5 lvls with perfect stars

giuglea ion

          ;;;; It only saves every 5 lvls with perfect stars ;;; yenn posted on 2015-10-23 06:55:55;;;;
yes that is the right answer you need 3x3 stars and it can be saved every 5 levels .