#4097·mineflayer

You are trying to connect to a server that is running NeoForge, but you are not. Please install NeoForge Version

Author: ironweb10Created Sep 8, 2026Updated Sep 13, 2026
Labelspossible bugStage1
  • The FAQ doesn't contain a resolution to my issue

Versions

  • mineflayer: Latest
  • server: Neoforge
  • node: Latest

Detailed description of a problem

A clear and concise description of what the problem is, with as much context as possible. What are you building? What problem are you trying to solve?

What did you try yet?

Did you try any method from the API? Did you try any example? Any error from those?

Your current code

javascript

The code is not the problem

[Bot] Kicked: {"type":"compound","value":{"with":{"type":"list","value":{"type":"string","value":["21.1.250"]}},"fallback":{"type":"string","value":"You are trying to connect to a server that is running NeoForge, but you are not. Please install NeoForge Version: %s to connect to this server."},"translate":{"type":"string","value":"neoforge.network.negotiation.failure.vanilla.client.not_supported"}}}