Exception ticking Xavin: System.NullReferenceException: Object reference not set to an instance of an object
  at RimDisorders.MentalIllness.TryAddCounselling () [0x00000] in <filename unknown>:0
  at RimDisorders.MentalIllness.AnyPostTickAction () [0x00000] in <filename unknown>:0
  at RimDisorders.MentalIllness.PostTick () [0x00000] in <filename unknown>:0
  at Verse.Pawn_HealthTracker.HealthTick () [0x00000] in <filename unknown>:0
  at Verse.Pawn.Tick () [0x00000] in <filename unknown>:0
  at Verse.ThingContainer.ThingContainerTick () [0x00000] in <filename unknown>:0
  at Verse.Pawn_CarryTracker.CarryHandsTick () [0x00000] in <filename unknown>:0
  at Verse.Pawn.Tick () [0x00000] in <filename unknown>:0
  at Verse.TickList.Tick () [0x00000] in <filename unknown>:0
Verse.Log:Error(String)
Verse.TickList:Tick()
Verse.TickManager:DoSingleTick()
Verse.TickManager:TickManagerUpdate()
Verse.Game:Update()
Verse.Root_Play:Update()