I was switching Xbox's to a newer version, and now when I try to load into a world that was on my old Xbox, it says "failed to sync world data". I looked it up on YouTube and people have had the same problem pretty recently, and I saw that it was fixed in 2020 June or July.
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Thank you for your report!
We're tracking this issue in MCPE-40552, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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