Server crashes after Shadow Trap by Maxwell on Grumble Bees with Shadow Abigail debuff

[05:21:18]: [string "scripts/prefabs/abigail.lua"]:1108: attempt to index field 'attacker' (a nil value)
LUA ERROR stack traceback:
scripts/prefabs/abigail.lua:1108 in (upvalue) addshadowvexplanardamge (Lua) <1099-1123>
   inst = 275872 - abigail_vex_shadow_debuff (valid:true)
   owner = 275682 - beeguard (valid:true)
   data = table: 0x4c2565e0
scripts/prefabs/abigail.lua:1131 in (local) fn (Lua) <1131-1131>
   owner = 275682 - beeguard (valid:true)
   data = table: 0x4c2565e0
scripts/entityscript.lua:1298 in (method) PushEvent_Internal (Lua) <1285-1314>
   self (valid:true) =
      DynamicShadow = DynamicShadow (0x4340e720)
      inlimbo = false
      _focustarget = 267186 - wendy (valid:true)
      brain = --brain--
sleep time: 0.06
Priority - RUNNING <RUNNING> (execute 3, eval in 0.23)>0.06
   >Parallel - READY <READY> ()>0.00
   >   >Panic - READY <READY> ()>0.00
   >   >Panic - READY <READY> ()>0.00
   >Parallel - READY <READY> ()>0.00
   >   >AvoidElectricFence - READY <READY> ()>0.00
   >   >AvoidElectricFence - READY <READY> ()>0.00
   >Parallel - RUNNING <RUNNING> ()>0.06
   >   >BreakFormation - READY <SUCCESS> ()>0.00
   >   >Priority - RUNNING <RUNNING> (execute 2, eval in 0.23)>0.06
   >   >   >Parallel - FAILED <FAILED> ()>0.00
   >   >   >   >Dodge - FAILED <FAILED> ()>0.00
   >   >   >   >RunAway - READY <READY> ()>0.00
   >   >   >ChaseAndAttack - RUNNING <RUNNING> ()>0.06
   >Parallel - READY <READY> ()>0.00
   >   >HoldFormation - READY <READY> ()>0.00
   >   >Priority - READY <READY> ()>0.00
   >   >   >Leash - READY <READY> ()>0.00
   >   >   >BackToBack - READY <READY> ()>0.00
   >Wander - READY <READY> ()>0.00

      scrapbook_removedeps = table: 0x489fcbd0
      sounds = table: 0x3877bd90
      AnimState = AnimState (0x3f2e3dc0)
      hit_recovery = 1
      buzzing = true
      Network = Network (0x27069760)
      pendingtasks = table: 0x21b82d70
      spawntime = 4342.3002264686
      updatecomponents = table: 0x492e08c0
      _has_electric_fence_panic_trigger = true
      StartFindingPlayerQueenTasks = function - scripts/prefabs/beeguard.lua:310
      name = Grumble Bee
      OnSpawnedGuard = function - scripts/prefabs/beeguard.lua:335
      Transform = Transform (0x2ab32190)
      prefab = beeguard
      actionreplica = table: 0x22b5b300
      event_listening = table: 0x483f9550
      FocusTarget = function - scripts/prefabs/beeguard.lua:344
      actioncomponents = table: 0x1cb309f0
      OnLoadPostPass = function - scripts/prefabs/beeguard.lua:326
      lower_components_shadow = table: 0x33131240
      OnLoad = function - scripts/prefabs/beeguard.lua:261
      AddToArmy = function - scripts/prefabs/beeguard.lua:267
      entity = Entity (0x336920c0)
      recentlycharged = table: 0x427cc250
      EnableBuzz = function - scripts/prefabs/beeguard.lua:41
      OnEntitySleep = function - scripts/prefabs/beeguard.lua:107
      GUID = 275682
      OnSave = function - scripts/prefabs/beeguard.lua:257
      persists = true
      Physics = Physics (0x2f113ae0)
      GetQueen = function - scripts/prefabs/beeguard.lua:212
      brainfn = table: 0x48b18fa0
      event_listeners = table: 0x3f465fb0
      OnEntityWake = function - scripts/prefabs/beeguard.lua:96
      MakeHostile = function - scripts/prefabs/beeguard.lua:87
      Light = Light (0x457298d0)
      IsFriendly = function - scripts/prefabs/beeguard.lua:74
      SoundEmitter = SoundEmitter (0x3132b3a0)
      replica = table: 0x3d8431b0
      MakeFriendly = function - scripts/prefabs/beeguard.lua:78
      components = table: 0x32c3d720
      sg = sg="SGbeeguard", state="hit", time=0.23, tags = "hit,busy,"
   event = attacked
   data = table: 0x4c2565e0
   immediate = false
   listeners = table: 0x1195a640
   tocall = table: 0x4c256610
   i = 4
   fn = function - scripts/prefabs/abigail.lua:1131
scripts/entityscript.lua:1317 in (method) PushEvent (Lua) <1316-1318>
   self (valid:true) =
      DynamicShadow = DynamicShadow (0x4340e720)
      inlimbo = false
      _focustarget = 267186 - wendy (valid:true)
      brain = --brain--
sleep time: 0.06

[05:21:18]: [string "scripts/prefabs/abigail.lua"]:1108: attempt to index field 'attacker' (a nil value)
LUA ERROR stack traceback:
    scripts/prefabs/abigail.lua:1108 in (upvalue) addshadowvexplanardamge (Lua) <1099-1123>
    scripts/prefabs/abigail.lua:1131 in (local) fn (Lua) <1131-1131>
    scripts/entityscript.lua:1298 in (method) PushEvent_Internal (Lua) <1285-1314>
    scripts/entityscript.lua:1317 in (method) PushEvent (Lua) <1316-1318>
    scripts/prefabs/shadow_trap.lua:166 in (field) fn (Lua) <140-184>
    scripts/scheduler.lua:186 in (method) OnTick (Lua) <164-216>
    scripts/scheduler.lua:409 in (global) RunScheduler (Lua) <407-415>
    scripts/update.lua:240 in () ? (Lua) <224-298>