Bug with Marble Combat

[02:22:51]: [string "../mods/workshop-783732757/scripts/prefabs/..."]:45: attempt to index field 'combat' (a nil value)
LUA ERROR stack traceback:
../mods/workshop-783732757/scripts/prefabs/marblemace.lua:45 in (field) onattack (Lua) <18-49>
   inst = 109709 - marblemace(LIMBO) (valid:true)
   attacker = 109696 - wx78 (valid:true)
   target = 111519 - spider_dropper (valid:true)
   groundpound = 111521 - groundpoundring_fx (valid:true)
   pos = (148.20, 0.00, -14.96)
   groundpound2 = 111522 - groundpound_fx (valid:true)
   pos = (148.20, 0.00, -14.96)
   pt = (148.20, 0.00, -14.96)
   ents = table: 0xf738850
   i = 5
   v = 104130 - dropperweb (valid:true)
scripts/components/weapon.lua:69 in (method) OnAttack (Lua) <67-75>
   self =
      inst = 109709 - marblemace(LIMBO) (valid:true)
      onattack = function - ../mods/workshop-783732757/scripts/prefabs/marblemace.lua:18
      hitrange = 1.5
      _ = table: 0x2233f110
      damage = 40
   attacker = 109696 - wx78 (valid:true)
   target = 111519 - spider_dropper (valid:true)
   projectile = nil
scripts/components/combat.lua:850 in (method) DoAttack (Lua) <794-868>
   self =
      hiteffectsymbol = torso
      GetGiveUpString = function - scripts/prefabs/player_common.lua:10
      defaultdamage = 10
      nextbattlecrytime = 8446.1089656103
      forcefacing = true
      inst = 109696 - wx78 (valid:true)
      hitrange = 2
      lasttargetGUID = 110672
      lastwasattackedtime = 7767.3337384313
      keeptargettimeout = 0
      lastdoattacktime = 7732.367069941
      pvp_damagemod = 0.5
      externaldamagetakenmultipliers = table: 0x25646c50
      externaldamagemultipliers = table: 0x24465f60
      lastattacker = 110672 - bat (valid:true)
      onhitfn = function - ../mods/workshop-1219372069/scripts/components/poisonable.lua:75
      laststartattacktime = 8438.7337734476
      losetargetcallback = function - scripts/components/combat.lua:274
      battlecryenabled = true
      _ = table: 0x247d5610
      GetBattleCryString = function - scripts/prefabs/player_common.lua:21
   target_override = 111519 - spider_dropper (valid:true)
   weapon = nil
   projectile = nil
   stimuli = nil
   instancemult = nil
   targ = 111519 - spider_dropper (valid:true)
   weapon = 109709 - marblemace(LIMBO) (valid:true)
   reflected_dmg = 0
   reflect_list = table: 0x1d914fa0
scripts/actions.lua:607 in (field) fn (Lua) <600-609>
   act = Attack 111519 - spider_dropper With Inv: 109709 - marblemace(LIMBO) (valid:true)
scripts/bufferedaction.lua:24 in (method) Do (Lua) <20-34>
   self (valid:true) =
      forced = true
      action = table: 0x138503f0
      invobject = 109709 - marblemace(LIMBO) (valid:true)
      onfail = table: 0x1e6e24c0
      doerownsobject = true
      onsuccess = table: 0x243d1aa0
      autoequipped = true
      target = 111519 - spider_dropper (valid:true)
      options = table: 0x1e6e24f0
      doer = 109696 - wx78 (valid:true)
      pos = (146.52, 0.00, -16.67)
scripts/entityscript.lua:1312 in (method) PerformBufferedAction (Lua) <1304-1322>
   self (valid:true) =
      DynamicShadow = DynamicShadow (0x205dc9d0)
      inlimbo = false
      GetMoistureRateScale = function - scripts/prefabs/player_common.lua:146
      SetCameraDistance = function - scripts/prefabs/player_common.lua:954
      ScreenFlash = function - scripts/prefabs/player_common.lua:1016
      player_classified = 109697 - player_classified (valid:true)
      playercolour = table: 0x256571c0
      health_info_max = 0
      AnimState = AnimState (0x23a38400)
      Light = Light (0xd98c1d0)
      _OnDespawn = function - ../mods/workshop-722788575/scripts/patches/ruletruefriendbeefalo.lua:586
      _isrezattuned = false
      OnRemoveEntity = function - scripts/prefabs/player_common.lua:630
      health_info_max_exact = 0
      pendingtasks = table: 0x1e17bc60
      ShowHUD = function - scripts/prefabs/player_common.lua:936
      ShowGiftItemPopUp = function - scripts/prefabs/player_common.lua:948
      sg = sg="wilson", state="maceattack", time=0.27, tags = "attack,abouttoattack,notalking,autopredict,
[02:22:51]: [string "../mods/workshop-783732757/scripts/prefabs/..."]:45: attempt to index field 'combat' (a nil value)
LUA ERROR stack traceback:
    ../mods/workshop-783732757/scripts/prefabs/marblemace.lua:45 in (field) onattack (Lua) <18-49>
    scripts/components/weapon.lua:69 in (method) OnAttack (Lua) <67-75>
    scripts/components/combat.lua:850 in (method) DoAttack (Lua) <794-868>
    scripts/actions.lua:607 in (field) fn (Lua) <600-609>
    scripts/bufferedaction.lua:24 in (method) Do (Lua) <20-34>
    scripts/entityscript.lua:1312 in (method) PerformBufferedAction (Lua) <1304-1322>
    ../mods/workshop-783732757/modmain.lua:215 in (field) fn (Lua) <214-217>
    scripts/stategraph.lua:568 in (method) UpdateState (Lua) <536-580>
    scripts/stategraph.lua:607 in (method) Update (Lua) <599-627>
    scripts/stategraph.lua:125 in (method) Update (Lua) <109-148>
    scripts/update.lua:218 in () ? (Lua) <149-228>