@MojangSupport Started a new game with my kids the other day now they're really upset because this happens... WHY?!
I have several saved games all works fine apart from this one save!pic.twitter.com/mRkxuWBCol
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We apologize for the inconvenience, but this is currently a known issue. The team is currently working on a fix that we hope to have out to everyone as soon as possible. Thank you for your patience while we work on the solution! ^RL