Because of your character it put my server on an infinite restart loop...

[00:00:27]: [string "../mods/workshop-389133792/scripts/prefabs/..."]:89: attempt to index local 'data' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-389133792/scripts/prefabs/nightmarecrown.lua:89 in (method) OnLoad (Lua) <88-92>
inst = 109934 - nightmarecrown (valid:true)
data = nil
scripts/entityscript.lua:1452 in (method) SetPersistData (Lua) <1437-1454>
self (valid:true) =
GUID = 109934
Transform = Transform (2258D9C8)
inlimbo = false
actionreplica = table: 2257BB88
event_listening = table: 2257D5F0
actioncomponents = table: 2257BA98
lower_components_shadow = table: 2257BA48
entity = Entity (22585840)
AnimState = AnimState (2258D9E8)
prefab = nightmarecrown
OnSave = function - ../mods/workshop-389133792/scripts/prefabs/nightmarecrown.lua:82
Network = Network (2258DA08)
Physics = Physics (2258DE48)
event_listeners = table: 2257D528
spawntime = 0
name = Nightmare Crown
replica = table: 2257BAC0
OnLoad = function - ../mods/workshop-389133792/scripts/prefabs/nightmarecrown.lua:88
components = table: 2257BA70
persists = true
data = nil
newents = table: 124D6318
scripts/mainfunctions.lua:217 in (global) SpawnSaveRecord (Lua) <186-224>
saved = table: 07586EC8
newents = table: 124D6318
inst = 109934 - nightmarecrown (valid:true)
scripts/gamelogic.lua:413 in (upvalue) PopulateWorld (Lua) <234-448>
savedata = table: 0586A178
profile = table: 093CAFC0
world = 100022 - forest (valid:true)
retune = table: 124D5C10
newents = table: 124D6318
prefab = nightmarecrown
ents = table: 07586EA0
prefab = nightmarecrown
k = 1
v = table: 07586EC8
scripts/gamelogic.lua:639 in (upvalue) DoInitGame (Lua) <527-741>
savedata = table: 0586A178
profile = table: 093CAFC0
was_file_load = false
scripts/gamelogic.lua:773 in (upvalue) cb (Lua) <768-774>
savedata = table: 0586A178
scripts/saveindex.lua:124 in () ? (Lua) <106-125>
load_success = true
str = return {world_network={persistdata={clock={moonphase="threequarter",cycles=84,phase="day",remainingtimeinphase=239.00668334961,totaltimeinphase=240,segs={night=3,day=8,dusk=5}},seasons={elapseddaysinseason=19,premode=false,remainingdaysinseason=1,lengths={summer=15,autumn=50,spring=20,winter=15},totaldaysinseason=20,mode="cycle",season="spring",segs={summer={night=4,day=11,dusk=1},autumn={night=2,day=8,dusk=6},spring={night=3,day=5,dusk=8},winter={night=6,day=5,dusk=5}}},weather={seasontemperature=52.5,preciptype="none",daylight=true,moistureceil=4996.8002929688,peakprecipitationrate=0.91816461086273,season="spring",moisturerateval=3.6326722838149,lightningmode="rain",moistureceilmultiplier=5.5,moisture=1329.4527587891,wet=true,stopsnowthreshold=0,snowlevel=0,moisturefloormultiplier=0.25,moisturerateoffset=0,noisetime=40620.28125,moisturerate=3.6326723098755,wetness=25.619689941406,nextlightningtime=57.504898598164,startsnowthreshold=-5,precipmode="dynamic",moisturefloor=485.45684814453,moistureratemultiplier [**truncated**]
success = true
savedata = table: 0586A178
=[C]:-1 in (method) GetPersistentString (C) <-1--1>
scripts/saveindex.lua:106 in (method) GetSaveDataFile (Lua) <105-126>
self =
data = table: 093CB178
current_slot = 2
file = session/04800006D31743A0/0000000085
cb = function - scripts/gamelogic.lua:768
scripts/saveindex.lua:132 in (method) GetSaveData (Lua) <128-136>
self =
data = table: 093CB178
current_slot = 2
slot = 2
cb = function - scripts/gamelogic.lua:768
file = session/04800006D31743A0/0000000085
scripts/gamelogic.lua:775 in (upvalue) DoLoadWorld (Lua) <767-776>
saveslot = 2
onload = function - scripts/gamelogic.lua:768
scripts/gamelogic.lua:817 in (upvalue) LoadSlot (Lua) <812-823>
slot = 2

[00:00:27]: [string "../mods/workshop-389133792/scripts/prefabs/..."]:89: attempt to index local 'data' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-389133792/scripts/prefabs/nightmarecrown.lua:89 in (method) OnLoad (Lua) <88-92>
scripts/entityscript.lua:1452 in (method) SetPersistData (Lua) <1437-1454>
scripts/mainfunctions.lua:217 in (global) SpawnSaveRecord (Lua) <186-224>
scripts/gamelogic.lua:413 in (upvalue) PopulateWorld (Lua) <234-448>
scripts/gamelogic.lua:639 in (upvalue) DoInitGame (Lua) <527-741>
scripts/gamelogic.lua:773 in (upvalue) cb (Lua) <768-774>
scripts/saveindex.lua:124 in () ? (Lua) <106-125>
=[C]:-1 in (method) GetPersistentString (C) <-1--1>
scripts/saveindex.lua:106 in (method) GetSaveDataFile (Lua) <105-126>
scripts/saveindex.lua:132 in (method) GetSaveData (Lua) <128-136>
scripts/gamelogic.lua:775 in (upvalue) DoLoadWorld (Lua) <767-776>
scripts/gamelogic.lua:817 in (upvalue) LoadSlot (Lua) <812-823>

[00:00:27]: SCRIPT ERROR! Showing error screen
[00:00:27]: ModIndex: Load sequence finished successfully.
[00:00:27]: Reset() returning

I'll fix it right away.
Edit: I just released an update that should prevent this error from happening. Let me know if anything else comes up.