So my friends and I have a very good survival world, we beat The Ender Dragon and Wither. But one day we got off to play Grand Theft Auto 5, then we got bored so we agreed to get on Minecraft, we proceed to go on but for some reason we couldn't get on our world cause it some how got deleted without me even deleting it and we really want the world back but we cant cause its gone. So it would mean a lot if you can fix this bug or give us our world back.