[BUG] Blocks replaced with other blocks in landscape and player-built structures
cedar-lee opened this issue · 4 comments
Describe the bug
Blocks were replaced with different blocks en masse in both player-built structures and landscape features in the world like caves, i.e. cobbedstone became permafrost brick stairs, ores were replaced with different ores in unexpected materials (coal in gneiss became mithril in soapstone), roof tiles became logs, spruce bookshelves became candles, and so on. Certain blocks also disappeared entirely. No unplaced blocks in chests seemed to be changed. No mods were removed from the base pack, but we did add Lag'B'Gon and Lag Goggles, both the most recent versions. Once we rolled back the server, the issue disappeared, but the next day, the same thing had happened again.
To Reproduce
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Expected behavior
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Screenshots
Modpack Version
3.1.1.a
Server or singleplayer
Server
Version the world was created on:
3.1.1.a
Other...
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Additional context
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A post-crash backup may cause this issue, and more often than not, it could cause the issue repeatedly. It has also been encountered in v3.2.
That's bizarre. The only way this should be able to happen is if you were to update a world from a very old version like 2.75.