Crashing when generating new chunk

Started by PartySpider_199 on

Topic category: Help with MCreator software

Joined May 2019
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Crashing when generating new chunk

I've looked around and while i have seen people facing similar issues, i could not find any solutions. Ever since i updated my mod to use NeoForge 1.21.1 instead of forge 1.20.1, I've been getting disconnected from my singleplayer word as though i was on a server. It happens whenever the game tries to load a new chunk in my custom dimension. 

Any ways i can solve this? I've linked the logs i've copied from mcreator's console, as an actual crash log never seems to be created.

https://pastebin.com/rtahw9ew

Only part of crash log is…
Thu, 05/15/2025 - 13:35

Only part of crash log is visible so can't say for sure, but definitely has something to do with

plasma_tech:er_lakes

feature generating too wide and reaching into unloaded chunks.

I believe this is vanilla Minecraft bug, see https://bugs.mojang.com/browse/MC/issues/MC-273228 and MCreator also warns about this

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Thank you! I disabled the…
Sun, 05/18/2025 - 13:11

Thank you! I disabled the water lakes feature from generating naturally for the time being, but i still crashed, this time the logs blamed it on plasma_tech:glowing_vines, so i disabled them as well.

Now i was able to generate all biomes without crashing. Hoping to figure out how to get these features working again instead of just deleting them however.