I guess this part of the crash log could be of help:

[00:03:28]: [string "../mods/workshop-482119182/modmain.lua"]:118: attempt to call global 'Cancel' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-482119182/modmain.lua:118 in (upvalue) EmergencyResponse (Lua) <95-146>
inst = 113182 - firesuppressor (valid:true)
self =
emergencyShutdownPeriod = 30
onendemergency = function - scripts/prefabs/firesuppressor.lua:119
range = 22.5
emergencyLevel = 1
inst = 113182 - firesuppressor (valid:true)
onfindfire = function - scripts/prefabs/firesuppressor.lua:47
onupdatewarning = function - scripts/prefabs/firesuppressor.lua:132
detectedItems = table: 5525E230
detectPeriod = 1
emergencyWatched = table: 55261A98
detectTask = PERIODIC 113182: 1.000000
Deactivate = function - ../mods/workshop-482119182/modmain.lua:275
emergencyBurnt = table: 55261A70
onbeginwarning = function - scripts/prefabs/firesuppressor.lua:125
RaiseEmergencyLevel = function - ../mods/workshop-482119182/modmain.lua:255
onendwarning = function - scripts/prefabs/firesuppressor.lua:137
emergencyResponsePeriod = 15
DetectFire = function - ../mods/workshop-482119182/modmain.lua:245
emergencyLevelFireThreshold = 5
warningStartTime = 37.166668605059
Activate = function - ../mods/workshop-482119182/modmain.lua:240
ActivateEmergencyMode = function - ../mods/workshop-482119182/modmain.lua:289
onbeginemergency = function - scripts/prefabs/firesuppressor.lua:112
LowerEmergencyLevel = function - ../mods/workshop-482119182/modmain.lua:265
_ = table: 5525E190
emergencyLevelMax = 2
target = 116539 - deciduoustree (valid:true)
../mods/workshop-482119182/modmain.lua:165 in (local) fn (Lua) <164-166>
scripts/entityscript.lua:941 in (method) PushEvent (Lua) <935-958>
self (valid:true) =
GUID = 116539
anims = table: 234F33A0
inlimbo = false
color = 0.946592608417
StartMonster = function - scripts/prefabs/deciduoustrees.lua:820
worldstatewatching = table: 5CAC4CF8
leaf_state = colorful
AnimState = AnimState (5CA3E7F0)
monster = false
lastleaffxtime = 35.600001856685
Network = Network (5CA3E870)
pendingtasks = table: 5CAC4BB8
growfromseed = function - scripts/prefabs/deciduoustrees.lua:737
sg = sg="deciduoustree", state="empty", time=57.37, tags = ""
spawntime = 0
SpawnLeafFX = function - scripts/prefabs/deciduoustrees.lua:169
leaffxinterval = 49
Transform = Transform (5CA3E7D0)
StopMonster = function - scripts/prefabs/deciduoustrees.lua:843
children = table: 23A640B0
actionreplica = table: 5CAC3C18
event_listening = table: 5CAC49D8
actioncomponents = table: 5CAC3AB0
lower_components_shadow = table: 5CAC3A60
entity = Entity (5CAB7D68)
prefab = deciduoustree
build = yellow
OnSave = function - scripts/prefabs/deciduoustrees.lua:969
persists = true
OnEntitySleep = function - scripts/prefabs/deciduoustrees.lua:898
MiniMapEntity = MiniMapEntity (5CA3E830)
event_listeners = table: 5CAC4910
OnEntityWake = function - scripts/prefabs/deciduoustrees.lua:906
OnLoad = function - scripts/prefabs/deciduoustrees.lua:993
target_leaf_state = colorful
name = Birchnut Tree
replica = table: 5CAC3AD8
Physics = Physics (5CA3EB90)
components = table: 5CAC3A88
SoundEmitter = SoundEmitter (5CA3E810)
event = onburnt
data = nil
listeners = table: 5CA27A00
entity = 113182 - firesuppressor (valid:true)
fns = table: 5CAC4960
i = 1
fn = function - ../mods/workshop-482119182/modmain.lua:164
scripts/components/burnable.lua:206 in (field) fn (Lua) <203-220>
inst = 116539 - deciduoustree (valid:true)
self =
task = PERIODIC 116539: 45.000000
onburnt = function - scripts/prefabs/deciduoustrees.lua:718
onextinguish = function - scripts/prefabs/deciduoustrees.lua:892
fxdata = table: 4F88ACD0
inst = 116539 - de
[00:03:28]: [string "../mods/workshop-482119182/modmain.lua"]:118: attempt to call global 'Cancel' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-482119182/modmain.lua:118 in (upvalue) EmergencyResponse (Lua) <95-146>
../mods/workshop-482119182/modmain.lua:165 in (local) fn (Lua) <164-166>
scripts/entityscript.lua:941 in (method) PushEvent (Lua) <935-958>
scripts/components/burnable.lua:206 in (field) fn (Lua) <203-220>
scripts/scheduler.lua:187 in (method) OnTick (Lua) <161-217>
scripts/scheduler.lua:398 in (global) RunScheduler (Lua) <396-404>
scripts/update.lua:162 in () ? (Lua) <146-219>

[00:03:28]: SCRIPT ERROR! Showing error screen
[00:05:01]: Force aborting...