Removing the chest a carbuncle was set to take items from caused a server crash
the chest was an Iron Chest from the Iron chests mod, and was empty at the time of removal.

The error was persistent and required a world rollback otherwise it would crash at startup consistently with the same error.

Initial Crash Log:
https://pastebin.com/GMTGVCgk

Just noticed 142 which is the same issue and you say it's resolved in an upcoming update.
#142