[SOLVED,well... kinda]Custom biome crashes the game when I try to load a world

Started by TheForgottenOne on

Topic category: Help with Minecraft modding (Java Edition)

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[SOLVED,well... kinda]Custom biome crashes the game when I try to load a world
Fri, 11/28/2025 - 10:05 (edited)

So basically I'm trying to make a custom forest biome that generates in the overworld for my mod but when I try to load a world, the games crashes (I can launch minecraft normally and nothing happens in the menu its only when I try to load an exixting world or create a new one). 

custom biome crashes game (console) - mcreator - Pastebin.com

 

note : I am currently using mcreator 2025.2/neoforge 1.21.1

 

plz answer as quick as you can 

thankks

Edited by TheForgottenOne on Fri, 11/28/2025 - 10:05
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I am also using several…
Mon, 11/24/2025 - 16:48

I am also using several plugins if that helps

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Can you skip generating some…
Mon, 11/24/2025 - 23:55

Can you skip generating some of your biomes by disabling the dimension they spawn in and check to see which biome is causing this and providing the code for it?

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This is my only custom biome…
Tue, 11/25/2025 - 08:03

This is my only custom biome so i'm sure thats this one that is causing the bug as when I'm deleting the mod element everything works normally 

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So I tried to disable the…
Tue, 11/25/2025 - 18:12

So I tried to disable the biome spawn in the overworld and it doesn't crash the game so the problem must be when the biome is generating

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Then could you provide an…
Tue, 11/25/2025 - 22:10

Then could you provide an image of the biome(with each tab) through imgur? Along with any custom features you are generating in that biome as well.

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I'll do that as soon as i…
Wed, 11/26/2025 - 10:04

I'll do that as soon as i can ! :)

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Ok so I just updated…
Thu, 11/27/2025 - 18:12

Ok so I just updated mcreator to 2025.3 (I wanted to do that since the update came out anyways) and now IT WORKS !!!!! I don't know what was the problem but it seems to be fixed... 

Thanksss anyways !! :)