Hi,
I play on a Honor Play. After returning to my survival world I was on 256 blocks heigth ( same x and z position like before) and fell to the ground. This problem ocvured once, after I logged in to my ex copied world for the second time.
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Thank you for your report!
However, this issue is a Duplicate of MCPE-38374.
If you have additional information, please add it to that report.
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