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  1. Minecraft: Java Edition
  2. MC-134136

1.12.2 world resets in 1.13

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 1.13
    • Fix Version/s: None
    • Environment:

      Mac OSX 10.13.5, Java 8

    • Confirmation Status:
      Unconfirmed

      Description

      When attempting to optimise a world created in  1.12.2 into 1.13 the readout indicates 'Failed' before optimising a single chunk. When the world is opened it generates the world as it was brand new, deleting all my builds.

      When I try to open the world without optimisation the same thing occurs, I am spawned in my last position, but the world has regenerated to an 'as new' state.

      When attempting to Optimise - Game output error reads:

      Error upgrading world
      java.lang.NullPointerException
      at bwg.a(SourceFile:138)
      at bwg.a(SourceFile:81)
      at bnm.a(SourceFile:107)
      at bnm.a(SourceFile:822)
      at acx.o(SourceFile:89)
      at java.lang.Thread.run(Thread.java:745)

       Complete log of both situations attached.

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              • Assignee:
                Unassigned
                Reporter:
                LordVertias Ben
              • Votes:
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                Dates

                • Created:
                  Updated:
                  Resolved: