So I just finished a match in the game progression, and got to the part where you pick your rewards. I saw an epic gizmo as a best loot and got excited. Used up my three picks. I didn't get it. But was willing to spend the extra 1,5 etc cash to get it. But when I tried to press on the spend cash for extra pick, saying connection error, but there was no issues with my connection. This has happened before to me before, coincidentally when there was somethimg good as possible loot. So in my frustration I kept pressing it, to no avail. In annoyance I closed the app. Couple hours later I returm to the game and am welcome to 0 cash, I wouldn't care in any situation but I did actual money on it, I didn't grind for them which has left a very sour taste in my mouth in an otherwise very deep and well thought out tactical rpg/card game hybrid.