4-way mod crash

[01:12:24]: [string "scripts/components/inventoryitem_replica.lu..."]:146: attempt to index field 'classified' (a nil value)
LUA ERROR stack traceback:
scripts/components/inventoryitem_replica.lua:146 in (method) SetPickupPos (Lua) <140-148>
   self =
      inst = 184428 - pickaxe (valid:false)
      CanDeploy = function - ../mods/workshop-351325790/modmain.lua:466
      _cannotbepickedup = net_bool (9F47B7F8)
      _iswet = net_bool (9F47B830)
   pos = nil
scripts/components/stackable.lua:6 in (field) ? (Lua) <3-8>
   self =
      Put = function - ../mods/workshop-624883463/modmain.lua:107
      _ = table: A895D1D8
      inst = 184428 - pickaxe (valid:false)
   stacksize = 2
scripts/class.lua:30 in () ? (Lua) <23-32>
   t = table: A895D110
   k = stacksize
   v = 2
   p = table: A895D278
   old = 1
scripts/components/stackable.lua:121 in () ? (Lua) <90-126>
   self =
      Put = function - ../mods/workshop-624883463/modmain.lua:107
      _ = table: A895D1D8
      inst = 184428 - pickaxe (valid:false)
   item = 184428 - pickaxe (valid:false)
   source_pos = nil
   ret = nil
   num_to_add = 1
   newtotal = 2
   oldsize = 1
   newsize = 2
   numberadded = 1
=(tail call):-1 in ()  (tail) <-1--1>
scripts/components/container.lua:180 in (method) GiveItem (Lua) <162-251>
   self =
      ignoresound = false
      slots = table: 4996E3B8
      inst = 126594 - backpack(LIMBO) (valid:true)
      _ = table: 4996E2F0
   item = 184428 - pickaxe (valid:false)
   slot = 5
   src_pos = nil
   drop_on_fail = true
   other_item = 184428 - pickaxe (valid:false)
../mods/workshop-503919639/modmain.lua:30 in () ? (Lua) <4-37>
   self =
      ignoreoverflow = false
      ignoresound = false
      isopen = true
      silentfull = false
      isvisible = true
      GetOverflowContainer = function - ../mods/workshop-375850593/modmain.lua:79
      ignorefull = false
      inst = 127305 - wilson (valid:true)
      equipslots = table: 82137278
      Equip = function - ../mods/workshop-503919639/modmain.lua:4
      opencontainers = table: 82137250
      _ = table: 821376D8
      itemslots = table: 821373E0
   item = 127337 - flyswatter(LIMBO) (valid:true)
   old_to_active = nil
   eslot = hands
   olditem = 184428 - pickaxe (valid:false)
   ret = true
=(tail call):-1 in ()  (tail) <-1--1>
scripts/bufferedaction.lua:24 in (method) Do (Lua) <20-34>
   self (valid:true) =
      options = table: 83425B08
      action = table: 1EFB2640
      doer = 127305 - wilson (valid:true)
      onfail = table: 83425CE8
      doerownsobject = false
      invobject = 127337 - flyswatter(LIMBO) (valid:true)
      onsuccess = table: 83425928
scripts/entityscript.lua:1211 in (method) PushBufferedAction (Lua) <1180-1223>
   self (valid:true) =
      DynamicShadow = DynamicShadow (8F8BE8E0)
      inlimbo = false
      GetMoistureRateScale = function - scripts/prefabs/player_common.lua:86
      SetCameraDistance = function - scripts/prefabs/player_common.lua:1208
      ScreenFlash = function - scripts/prefabs/player_common.lua:1270
      player_classified = 127306 - player_classified (valid:true)
      playercolour = table: 4342FA30
      health_info_max = 150
      IsOverheating = function - scripts/prefabs/player_common.lua:56
      Light = Light (8F8BE7C0)
      _isrezattuned = true
      OnRemoveEntity = function - scripts/prefabs/player_common.lua:568
      health_info_max_exact = 150
      pendingtasks = table: 821A2BD0
      ShowHUD = function - scripts/prefabs/player_common.lua:1190
      ShowGiftItemPopUp = function - scripts/prefabs/player_common.lua:1202
      sg = sg="wilson", state="run_stop", time=0.03, tags = "canrotate,idle,autopredict,"
      IsHUDVisible = function - scripts/prefabs/player_common.lua:1180
      ApplyScale = function - scripts/prefabs/player_common.lua:1285
      SetGhostMode = function - scripts/prefabs/player_common.lua:476
      ShowActions = function - scripts/prefabs/player_common.lua:1184
      old_rotation = 179.97142028809
      OnWakeUp = function - scripts/prefabs/player_common.lua:1122
      Transform = Transform (8F8BE5C0)

[01:12:24]: [string "scripts/components/inventoryitem_replica.lu..."]:146: attempt to index field 'classified' (a nil value)
LUA ERROR stack traceback:
    scripts/components/inventoryitem_replica.lua:146 in (method) SetPickupPos (Lua) <140-148>
    scripts/components/stackable.lua:6 in (field) ? (Lua) <3-8>
    scripts/class.lua:30 in () ? (Lua) <23-32>
    scripts/components/stackable.lua:121 in () ? (Lua) <90-126>
    =(tail call):-1 in ()  (tail) <-1--1>
    scripts/components/container.lua:180 in (method) GiveItem (Lua) <162-251>
    ../mods/workshop-503919639/modmain.lua:30 in () ? (Lua) <4-37>
    =(tail call):-1 in ()  (tail) <-1--1>
    scripts/bufferedaction.lua:24 in (method) Do (Lua) <20-34>
    scripts/entityscript.lua:1211 in (method) PushBufferedAction (Lua) <1180-1223>
    scripts/components/locomotor.lua:426 in (method) PushAction (Lua) <387-438>
    scripts/components/inventory.lua:1362 in (method) UseItemFromInvTile (Lua) <1346-1369>
    scripts/networkclientrpc.lua:271 in () ? (Lua) <266-274>
    =[C]:-1 in (method) CallRPC (C) <-1--1>
    scripts/networkclientrpc.lua:516 in (global) HandleRPCQueue (Lua) <507-524>
    scripts/update.lua:47 in () ? (Lua) <39-127>

[01:12:29]: Force aborting...