fashion merm crash

[00:02:26]: [string "../mods/workshop-438827295/scripts/componen..."]:83: attempt to index field 'perishable' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-438827295/scripts/components/mermhats.lua:83 in (method) CheckRandomHat (Lua) <79-94>
   self =
      randomhat = true
      inst = 111888 - merm (valid:true)
      attacked = false
   item = 111889 - icehat(LIMBO) (valid:true)
../mods/workshop-438827295/scripts/components/mermhats.lua:117 in (field) fn (Lua) <117-117>
   inst = 111888 - merm (valid:true)
scripts/scheduler.lua:187 in (method) OnTick (Lua) <161-217>
   self =
      running = table: 0F843450
      waitingfortick = table: 0F843568
      tasks = table: 0F8436F8
      waking = table: 0CDE1540
      attime = table: 0F843428
      hibernating = table: 0F843720
   tick = 1
   k = PERIODIC 111888: 0.000000
   v = true
   already_dead = false
scripts/scheduler.lua:398 in (global) RunScheduler (Lua) <396-404>
   tick = 1
scripts/update.lua:162 in () ? (Lua) <146-219>
   dt = 0.033333335071802
   tick = 1
   i = 1

[00:02:26]: [string "../mods/workshop-438827295/scripts/componen..."]:83: attempt to index field 'perishable' (a nil value)
LUA ERROR stack traceback:
    ../mods/workshop-438827295/scripts/components/mermhats.lua:83 in (method) CheckRandomHat (Lua) <79-94>
    ../mods/workshop-438827295/scripts/components/mermhats.lua:117 in (field) fn (Lua) <117-117>
    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>

[00:02:26]: SCRIPT ERROR! Showing error screen