Update Failure with Minecraft - my minecraft server will not launch properly

Technical Support
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1

System Information

Field Value
Operating System Linux - Debian GNU/Linux 13 on x86_64
Product AMP ‘Deimos’ v2.7.2.0 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Failed

Problem Description

Issue

theres some stupid issue or error i keep getting and i cannot fix it and it wont show me HOW to fix it its "```vbnet
Error: LinkageError occurred while loading main class net.minecraft.bundler.Main
java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a more recent version of the Java Runtime (class file version 69.0), this version of the Java Runtime only recognizes class file versions up to 65.0

thats the issue but i dont know how to fix it

Reproduction Steps
--
 * go to instances
 * double click on my minecraft server instance
 * click on start in the "status" tab 
 * i get an error that i dont understand
 * will not show me how to fix the issue in my instance
2

I’m still working through getting my minecraft servers up and running. I have them now working locally.
There’s a number of tickets on the board here that will get you close to working.

  1. I had to create a new instance and upload a backup to the instance.
  2. I had to change the container server settings to use docker.io/cubecoders/ampbase:java-25
  3. I’m able to access with a local ip address, but so far unable to join via domain/port