World keeps crashing on startup | Modrinth | Page 1

vague helm Oct 24, 2025, 4:40 PM

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Hi! My world was working fine last time I played, then i got a message saying that kotlin needed to be added. And, now that I added it, it keeps crashing on startup. I'll link the crash log.

https://mclo.gs/mLf6esd

mclo.gs

Fabric 1.20.1 Crash Report [#mLf6esd]

340 lines

keen laurelBOT Oct 24, 2025, 4:40 PM

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sharp turret Oct 24, 2025, 4:50 PM

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Veinminer needs Java 21 but your instance is only Java 17
To change your instance to Java 21, go to the instance settings > Java and memory > click "Custom Java installation" > click the detect button and select the one that has 21 next to it

vague helm Oct 24, 2025, 4:54 PM

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sharp turret Veinminer needs Java 21 but your instance is only Java 17 To change your instanc...

would that break my world?

sharp turret Oct 24, 2025, 4:56 PM

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the Java version shouldnt effect anything other than the game being able to open or not

vague helm Oct 24, 2025, 4:57 PM

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alrighty! ty!

keen laurelBOT Oct 24, 2025, 4:57 PM

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vague helm alrighty! ty!

-# cornerdownright Command suggestion: </solved:1419635873284227106>

#World keeps crashing on startup