It will load up a past save with all future builds and finds still on the world but your inventory will be lost it usually does it after a screen saying disconnection.screen.packet error shows up
It will load up a past save with all future builds and finds still on the world but your inventory will be lost it usually does it after a screen saying disconnection.screen.packet error shows up
Try restarting the game. This is a duplicate of MCPE-29863, a known bug that should be corrected soon.