[01:38:18 WARN]: Failed to validate message from TTVOGVampire, reasons: unknown message
[01:38:18 INFO]: TTVOGVampire lost connection: Chat message validation failure
All I typed was /time set night command in chat and it kicked me from my own server. (This is meant to make the time night).

Server software, plugin list please and a full log.

No response, make a new issue if it still happens.