Startup Issue with Minecraft - New modpack unable to run

Technical Support
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1

System Information

Field Value
Operating System Windows - Windows 11 Home on x86_64
Product AMP ‘Phobos’ v2.6.3.2 (Mainline)
Virtualization None
Application Minecraft
Module MinecraftModule
Running in Container No
Current State Failed

Problem Description

Issue

Added mod pack and the server keeps saying unable to start Forge 1.20.1 Server Log [#uHJwybr] - mclo.gs here is the latest log

Reproduction Steps

  • Start world
  • Wait 1 min
  • Server says unable to start check logs
2

See this guide here
https://discourse.cubecoders.com/t/setting-up-a-modded-java-minecraft-server/26535

That log has quite a few errors regarding mods loading client-only classes on the server, make sure you’re using the server pack zip if the modpack has one, otherwise you’ll need to remove any client-only mods.

3

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