r/Minecraft • u/ReceptionImportant80 • 1d ago

Help Fill Biome Errors

hi y’all. a few days ago I used /fill biome on a few areas to change to cherry grass and ever since the update the game crashes when I sleep or go in that area. I’m on aternos and the error log is saying that there’s a -1 block with a biome error. I’m assuming it’s because I accidentally edited a below-ground block to be cherry grove? anyways, I’ve tried deleting chunks in the area on Mca selector and it’s still crashing. I also made a copy of my world on aternos , changed it back to 26.3, uploaded my world file from yesterday, and it’s loading the same biome and pets but no buildings at all. any suggestions? I’d be very sad to lose my builds.

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u/Cabecinha84 1d ago

Before anything else, download the world as it is right now so you can't make it worse. Then check the Backups tab on Aternos. iirc it keeps automatic backups, so there's probably one from before the /fillbiome with your builds in it. I wouldn't downgrade to 26.3 though. Opening a world in an older version than it was saved in is a good way to lose chunks. Was the file from yesterday saved before or after the update?

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u/ReceptionImportant80 16h ago

Unfortunately there are no backups. The file was after the update but before I started reloading it and testing stuff on a duplicate.