Customization with Minecraft - Attemping to change minecraft version to 1.20.1

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Phobos’ v2.6.0.12 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Ready

Problem Description

Issue

I am trying to change the verison to 1.20.1. When I do, and I reboot the server, the version does not change and will only work on the latest. I tried changing the Java version to 17 and 18, and if I do the server will not start.

Reproduction Steps

  • Change version to 1.20.1
  • Reboot server
  • Change Java version and reboot server

Did you press Download/Update after changing the version?

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