How to remove entity?

[vast rampart]

Somehow I've got entity with Health: NaNf

entity.kill() doesn't work for them

[civic glacier]

Once your ticket has been resolved, please close it with </ticket close:1054771505520717835> command!

[vast rampart]

entity.remove() also doesn't work

[restive flicker]

Paste version of message.txt from @vast rampart

[feral canyon]

discard?