Update Failure with Minecraft - created instance, moved mod folders, change neoforge, start failure

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Phobos’ v2.6.4.0 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description

Issue

I just created this instance, connected to ftp and transfered mod folders. Then after changing to neoforge and update / restart server, it gave start failure.

Reproduction Steps

  • Create instance, add mod folders, change to neoforge, start server
  • I started the server
  • Gave error on startup

See the modded MC guide here: