NPC ERROR

[01:32:59 INFO]: Checking version, please wait...
[01:32:59 INFO]: This server is running Paper version git-Paper-379 (MC: 1.20.4) (Implementing API version 1.20.4-R0.1-SNAPSHOT) (Git: 570cfb4)
You are 11 version(s) behind
Download the new version at: https://papermc.io/downloads/paper
Previous version: git-Purpur-2121 (MC: 1.20.4)
> mm ver
[01:33:01 INFO]: -------------======== Mythic ========-------------
[01:33:01 INFO]:
[01:33:01 INFO]: Server Version: org.bukkit.craftbukkit.v1_20_R3 (Paper)
[01:33:01 INFO]: Plugin Version: 5.5.1
[01:33:01 INFO]: Is Premium: Yes
[01:33:01 INFO]: Is Dev Build: No
[01:33:01 INFO]: Supported Version: Yes
[01:33:01 INFO]:
[01:33:01 INFO]: ----------------- www.mythiccraft.io -----------------
> ver modelengine
[01:33:06 INFO]: ModelEngine version R4.0.5
[01:33:06 INFO]: Author: Ticxo