@MojangSupport I logged in to my survival bedrock world (on switch) last night and I was at spawn with nothing but a blank locator map. Inventory wiped, equipped items gone. I logged out quickly to try to avoid auto saving in that condition and rebooted the game... 1/2

Got same problem

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I made a copy of the world and opened it and my stuff was still all gone, including an empty ender chest. But when I closed the copy and opened the original, everything was restored.