My son loves Minecraft Dungeons but lost weeks of progress in the game. He logged into the game and wanted to play with his friends. The game could not find online friends. He logged off the game and restarted the Xbox. When he reopened Dungeons he was able to see his friends but noticed that he lost his inventory, lost all emeralds and trading villagers were reset. Also the missions were reset to none complete.

Is there anyway to restore or recover everything he lost? He is very careful to shut down and save his game. Please help!