When typing:
/co lookup T:24H A:+container B:dirt
It gives this error:
https://pastebin.com/WcZQrjn3

Ingame output:

Are you on the latest coreprotect version? What is your minecraft /version?

----- CoreProtect -----
[07:50:18 INFO]: Version: CoreProtect v2.13.2.
[07:50:18 INFO]: Storage: Using MySQL.
[07:50:18 INFO]: Download: http://coreprotect.net/download/
[07:50:18 INFO]: Sponsor: http://hosthorde.com

This server is running Paper version git-Paper-642 (MC: 1.13.2) (Implementing API version 1.13.2-R0.1-SNAPSHOT)
[07:50:14 INFO]: Previous version: git-Paper-629 (MC: 1.13.2)
[07:50:14 INFO]: Checking version, please wait...
[07:50:14 INFO]: You are 3 version(s) behind

My bad will update to the latest version now and see if the issue persists.