We fixed the issue of the event today, it should be working now. You will get 1 box for completing the daily task and spending every 100 olives will get another extra box.(please read event page description). You can choose to save up 20 boxes for ebb/ecv coupon or use them for lucky draw items.
On the other hand, we moved our game server to balance the latency of players from different parts of world. We hope to provide an enjoyable gaming environment for our players.