dst equipment switcher crash

LUA ERROR stack traceback:
../mods/workshop-503919639/modmain.lua:69 in (field) fn (Lua) <60-77>
   inst = 114409 - willow (valid:true)
   _OnGotNewItem = function - scripts/prefabs/player_common.lua:248
scripts/scheduler.lua:177 in (method) OnTick (Lua) <155-207>
   self =
      running = table: 3097B2C0
      waitingfortick = table: 3097B040
      tasks = table: 3097B248
      waking = table: 5C8E0F78
      attime = table: 3097B158
      hibernating = table: 3097B338
   tick = 2603
   k = PERIODIC 114409: 0.000000
   v = true
   already_dead = false
scripts/scheduler.lua:371 in (global) RunScheduler (Lua) <369-377>
   tick = 2603
scripts/update.lua:166 in () ? (Lua) <150-223>
   dt = 0.033333335071802
   tick = 2603
   i = 2603

[00:16:27]: [string "../mods/workshop-503919639/modmain.lua"]:69: attempt to index field 'containergotitem' (a nil value)
LUA ERROR stack traceback:
    ../mods/workshop-503919639/modmain.lua:69 in (field) fn (Lua) <60-77>
    scripts/scheduler.lua:177 in (method) OnTick (Lua) <155-207>
    scripts/scheduler.lua:371 in (global) RunScheduler (Lua) <369-377>
    scripts/update.lua:166 in () ? (Lua) <150-223>