Startup Issue with Minecraft - Crash starting my modded minecraft server

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Callisto’ v2.5.0.8 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description


Error: Could not find or load main class

Reproduction Steps

  • Create my instance
  • Select my forge version
  • Import all my mods
  • Try to start the server

You’ve got the wrong Java version selected. Try selecting Java 21 as the version in AMP.