Game crash midgame due to Chore being null?

This is the 2nd play though that has crashed at this point of the game.

Seems to be an issue with Chores?

See error text bellow and save file attached.

 

Chore.Begin provider is null 4528 WorkChore`1[Capturable] Capture, provider , driver 

  at UnityEngine.Debug.LogErrorFormat (System.String format, System.Object[] args) [0x00000] in <72b60a3dd8cd4f12a155b761a1af9144>:0 
  at Debug.LogErrorFormat (System.String format, System.Object[] args) [0x00000] in <d35824e72985464e85149179dd14d71e>:0 
  at Chore.Begin (Chore+Precondition+Context context) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at WorkChore`1[WorkableType].Begin (Chore+Precondition+Context context) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at ChoreDriver+StatesInstance.BeginChore () [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at ChoreDriver+States+<>c.<InitializeStates>b__5_2 (ChoreDriver+StatesInstance smi) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].ExecuteActions (StateMachine`4+State[StateMachineType,StateMachineInstanceType,MasterType,DefType] state, System.Collections.Generic.List`1[T] actions) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].PushState (StateMachine+BaseState state) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].GoTo (StateMachine+BaseState base_state) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at StateMachine`4+Parameter`1+Transition[StateMachineType,StateMachineInstanceType,MasterType,DefType,ParameterType].Evaluate (StateMachine+Instance smi) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at StateMachine`4+Parameter`1+Context[StateMachineType,StateMachineInstanceType,MasterType,DefType,ParameterType].Set (ParameterType value, StateMachineInstanceType smi, System.Boolean silenceEvents) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at StateMachine`4+Parameter`1[StateMachineType,StateMachineInstanceType,MasterType,DefType,ParameterType].Set (ParameterType value, StateMachineInstanceType smi, System.Boolean silenceEvents) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at ChoreDriver.SetChore (Chore+Precondition+Context context) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at Brain.UpdateChores () [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at Brain.UpdateBrain () [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at MinionBrain.UpdateBrain () [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at BrainScheduler+BrainGroup.RenderEveryTick (System.Single dt, System.Boolean isAsyncPathProbeEnabled) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at BrainScheduler.RenderEveryTick (System.Single dt) [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
  at SimAndRenderScheduler+RenderEveryTickUpdater.Update (IRenderEveryTick updater, System.Single dt) [0x00000] in <d35824e72985464e85149179dd14d71e>:0 
  at UpdateBucketWithUpdater`1[DataType].Update (System.Single dt) [0x00000] in <d35824e72985464e85149179dd14d71e>:0 
  at StateMachineUpdater+BucketGroup.AdvanceOneSubTick (System.Single dt) [0x00000] in <d35824e72985464e85149179dd14d71e>:0 
  at StateMachineUpdater.RenderEveryTick (System.Single dt) [0x00000] in <d35824e72985464e85149179dd14d71e>:0 
  at Game.LateUpdate () [0x00000] in <d3a376420e78430e89fc189ee049a6ac>:0 
Build: U46-551176-VD

Keeps crashing.sav