Startup Issue with Minecraft - FTB Minecraft not starting correctly

[ThePotatoKing]

You need to set the server type and mod loader version to what the modpack needs.
The FTB download doesn’t provide that info so you need to input it into AMP yourself.

Forge Frequently Asked Questions

Forge Frequently Asked Questions How do I run Forge using: start.sh/start.bat? No need! AMP handles all that for you. Just select the version of Forge you’ll need, hit update, and start your server. Where do I put custom start up arguments? You can find this options under: Configuration → Java and Memory → Additional java options I installed a modpack using AMP’s FTB downloader, why did it start in Vanilla? or The update manager reported a successful update, but ./Minecraft/minecraft_server.j…