trying to update a pack while keeping my world

Discussion in 'Modpack Bugs' started by deltawaves1, Sep 6, 2015.

  1. deltawaves1

    deltawaves1 New Member

    hi all, i'm trying to update my FTB infinity single player world in 1.7.10 from version 1.8.2 to version 1.10.0 but whenever i do and try to get into my old world i get this error message:

    could someone please tell me what to do to get these missing blocks?

    may thanks.


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