Information

• Server version:
  This server is running Paper version git-Paper-575 (MC: 1.16.5) (Implementing API version 1.16.5-R0.1-SNAPSHOT)
  You are 1 version(s) behind
  Previous version: git-Paper-547 (MC: 1.16.5)

• Full output of /mv version -p: https://pastebin.com/xCTGrber

• Server log: https://gist.github.com/BboyZeroOne/bd3a91398c23d77907bf55c04948581c

Details

I was not able to use the plugin CMI's "/cmi commandspy" when I tried to enable it. It produces the error log after i execute the command.

Description
https://gist.github.com/BboyZeroOne/da6b00b85e92e46f035e9e63b0436f2f

Steps to reproduce

1. Type "/cmi commandspy"

Expected behavior
Commandspy feature should work as expected

Screenshots
https://imgur.com/a/fVVVjlc

mv's prefixchatformat is just very basic to add world name, there isn't %vault_prefix% or any other placeholders. I suggest you use a chat plugin of your liking to format chat and have vault prefix.