Startup Issue with Minecraft - I'm trying to mod Minecraft it wont run

Technical Support
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1

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Callisto’ v2.5.1.8 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Stopped

Problem Description

Issue

I’m trying to mode my server with the modpack all the mods 10. every time i think ive added the mods correctly and go to test if i did it correct it seems to crash. I’m use sftp to add the list of .jar files in the mod pack but it seems to not want to launch the server i have the correct Neoforge version the modpack is made for. i see its failing in the console i just don’t know how to fix it

Reproduction Steps

  • im creating a new instance.
  • adding a mods folder in the file browse
  • using sftp to add the .jar files from the modpack from my forge profile
  • before i added the mod file i set the server to the neoforge version required for the modpack
  • i hit the update button
  • hit launch it thinks it over for afew seconds then in the console it says failed to strart
2

Make sure you have Java 21 selected

3

java version 21 was the default

in the console it gives thiss error what are the steps to solve this?

net.neoforged.fml.ModLoadingException: Loading errors encountered:
- Iris (iris) has failed to load correctly
java.lang.RuntimeException: Attempted to load class net/minecraft/client/gui/screens/Screen for invalid dist DEDICATED_SERVER
- Lighty (lighty) has failed to load correctly
java.lang.NoClassDefFoundError: net/minecraft/client/OptionInstance$ValueSet
- Sodium (sodium) has failed to load correctly
java.lang.BootstrapMethodError: java.lang.RuntimeException: Attempted to load class net/minecraft/client/gui/screens/Screen for invalid dist DEDICATED_SERVER
- Extreme Sound Muffler (extremesoundmuffler) has failed to load correctly
java.lang.IllegalArgumentException: class com.leobeliik.extremesoundmuffler.SoundMufflerNeoForge has no @SubscribeEvent methods, but register was called anyway.
The event bus only recognizes listener methods that have the @SubscribeEvent annotation.
- Euphoria Patcher (euphoria_patcher) has failed to load correctly
java.lang.NoClassDefFoundError: org/apache/commons/compress/compressors/CompressorException

4

You’re trying to load client-only mods on the server.
You need to use the ATM10 server pack, don’t just upload your client mods.
(the server pack is under the Additonal Files section on CurseForge)

5

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