Customization with Minecraft - Mods not uploading right

System Information

Field Value
Operating System Linux - Debian GNU/Linux 11 on x86_64
Product AMP ‘Phobos’ v2.6.5.2 (Mainline)
Virtualization QEMU_KVM
Application Minecraft
Module MinecraftModule
Running in Container No
Current State Ready

Problem Description

Issue

I am trying to upload my curseforge mods to this server, into the mods folder, but if I try dragging and dropping them I see a green checkmark and nothing else except for a loading bar notification. After this I don’t see anything else. No mods are visible in the folder.

Reproduction Steps

  • Create instance
  • Make it a Java minecraft server with Forge
  • Change some settings like game version
  • Added a whitelist
  • Attempted adding mods