Connectivity Problem with Minecraft - server closes when one person joins

System Information

Field Value
Operating System Linux - Ubuntu 24.04.4 on x86_64
Product AMP ‘Deimos’ v2.7.2.2 (Mainline)
Virtualization None
Application Minecraft
Module MinecraftModule
Running in Container No
Current State Ready

Problem Description

Issue

so far 2 people were able to join the server but when one person joined the server becomes closed but doesnt crash or anything and the 25565 ip thing stops listening.

Reproduction Steps

  • turn on server
  • join the server
  • server closes
  • cant join back unless restart server