JobDriver threw exception in initAction for pawn Paulo driver=JobDriver_DoBill (toilIndex=13) driver.job=(DoBill (Job_2544810) A=Thing_TableMachining115891 B=Thing_UnfinishedAmmo307605 C=(146, 0, 54)) lastJobGiver=RimWorld.JobGiver_Work
System.NullReferenceException: Object reference not set to an instance of an object
  at Verse.GenRecipe.PostProcessProduct (Verse.Thing product, Verse.RecipeDef recipeDef, Verse.Pawn worker) [0x00000] in <filename unknown>:0
  at Verse.GenRecipe+<MakeRecipeProducts>c__Iterator0.MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Verse.Thing].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Verse.Thing]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToList[Thing] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at Verse.AI.Toils_Recipe+<FinishRecipeAndStartStoringProduct>c__AnonStorey2.<>m__0 () [0x00000] in <filename unknown>:0
  at Verse.AI.JobDriver.TryActuallyStartNextToil () [0x00000] in <filename unknown>:0
Verse.Log:Error(String, Boolean)
Verse.AI.JobUtility:TryStartErrorRecoverJob(Pawn, String, Exception, JobDriver)
Verse.AI.JobDriver:TryActuallyStartNextToil()
Verse.AI.JobDriver:ReadyForNextToil()
Verse.AI.<DoRecipeWork>c__AnonStorey1:<>m__1()
Verse.AI.JobDriver:DriverTick()
Verse.AI.Pawn_JobTracker:JobTrackerTick()
Verse.Pawn:Tick()
Verse.TickList:Tick()
Verse.TickManager:DoSingleTick()
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()