The mod Endgame Combat - Rampant Patch (1.152.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event EndgameCombatRampantPatch::on_entity_died (ID 4)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__EndgameCombatRampantPatch/functions.lua:597: in function 'func'
DragonIndustries/entitytracker.lua:41: in function 'trackEntityRemoval'
EndgameCombatRampantPatch/control.lua:534: in function <EndgameCombatRampantPatch/control.lua:530>