Your island items were damaged and destroyed by other players before you had a chance to fix them! If a damaged item is hit a second time, it will be completely destroyed and disappear.
* Make sure you fix damaged items before this happens - it’s much cheaper than buying everything back again.
If you have more questions, please contact us through the game by going to our Menu > Settings > Support. We can help you quicker this way, because the game will allow us to view your account and better help you.