My 12 year old son has the same problem. Zero coin balance and all purchased worlds and skin packs locked. He is using an iPad 2 with iOS 9.3.5 . All purchases were made through my iTunes account.
This happened when he updated to 1.2.13 and remained a problem after updating to 1.2.14
My 12 year old son has the same problem. Zero coin balance and all purchased worlds and skin packs locked. He is using an iPad 2 with iOS 9.3.5 . All purchases were made through my iTunes account.
This happened when he updated to 1.2.13 and remained a problem after updating to 1.2.14