Crash. Details- "Wurt" was enabled, but I was playing as someone different. I jumped through a wurm-hole that (I assume) lead to the swamp.

[01:14:04]: scripts/mainfunctions.lua(960,1) stack traceback:
...amapps/common/dont_starve/data/scripts/mainfunctions.lua:960: in function <...amapps/common/dont_starve/data/scripts/mainfunctions.lua:948>
[01:14:04]: scripts/mainfunctions.lua(961,1) ...ont_starve/data/scripts/components/seasonmanager_rog.lua:1698: attempt to index local 'self' (a nil value)
LUA ERROR stack traceback:
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/../mods/workshop-2890042663/scripts/dst/TheWorld.lua:15 in (global) QueryPropertyValue (Lua) <14-17>
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/../mods/workshop-2890042663/scripts/dst/TheWorld.lua:35 in (metamethod) __index (Lua) <33-38>
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/../mods/workshop-2937631541/scripts/prefabs/merm.lua:62 in (global) SpringCombatMod (Lua) <62-62>
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/../mods/workshop-2937631541/scripts/brains/mermbrain.lua:209 in (method) OnStart (Lua) <192-245>
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/brain.lua:191 in (method) Start (Lua) <189-205>
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/entityscript.lua:777 in (method) RestartBrain (Lua) <770-780>
C:/Program Files (x86)/Steam/steamapps/common/dont_starve/data/scripts/mainfunctions.lua:425 in () ? (Lua) <415-445>