Exception while recalculating BondedAnimalMaster thought state for pawn Ymir: System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.ThoughtWorker_BondedAnimalMaster.GetAnimals (Verse.Pawn p, System.Collections.Generic.List`1[T] outAnimals) [0x0004d] in <1b9c4c73530448bcbb33283e1d4d7d05>:0
at (wrapper dynamic-method) RimWorld.ThoughtWorker_BondedAnimalMaster.RimWorld.ThoughtWorker_BondedAnimalMaster.CurrentStateInternal_Patch1(RimWorld.ThoughtWorker_BondedAnimalMaster,Verse.Pawn)
at RimWorld.ThoughtWorker.CurrentState (Verse.Pawn p) [0x00000] in <1b9c4c73530448bcbb33283e1d4d7d05>:0
at (wrapper dynamic-method) RimWorld.SituationalThoughtHandler.RimWorld.SituationalThoughtHandler.TryCreateThought_Patch2(RimWorld.SituationalThoughtHandler,RimWorld.ThoughtDef)
UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Error (string)
(wrapper dynamic-method) RimWorld.SituationalThoughtHandler:RimWorld.SituationalThoughtHandler.TryCreateThought_Patch2 (RimWorld.SituationalThoughtHandler,RimWorld.ThoughtDef)
(wrapper dynamic-method) RimWorld.SituationalThoughtHandler:RimWorld.SituationalThoughtHandler.CheckRecalculateMoodThoughts_Patch1 (RimWorld.SituationalThoughtHandler)
RimWorld.SituationalThoughtHandler:AppendMoodThoughts (System.Collections.Generic.List`1<RimWorld.Thought>)
RimWorld.ThoughtHandler:GetAllMoodThoughts (System.Collections.Generic.List`1<RimWorld.Thought>)
RimWorld.ThoughtHandler:GetDistinctMoodThoughtGroups (System.Collections.Generic.List`1<RimWorld.Thought>)
RimWorld.ThoughtHandler:TotalMoodOffset ()
RimWorld.Need_Mood:get_CurInstantLevel ()
RimWorld.Need_Seeker:NeedInterval ()
(wrapper dynamic-method) RimWorld.Need_Mood:RimWorld.Need_Mood.NeedInterval_Patch2 (RimWorld.Need_Mood)
(wrapper dynamic-method) RimWorld.Pawn_NeedsTracker:RimWorld.Pawn_NeedsTracker.NeedsTrackerTick_Patch1 (RimWorld.Pawn_NeedsTracker)
(wrapper dynamic-method) Verse.Pawn:Verse.Pawn.Tick_Patch3 (Verse.Pawn)
AnimalMultiPostures.AMP_SpecialBody:Tick ()
Verse.TickList:Tick ()
(wrapper dynamic-method) Verse.TickManager:Verse.TickManager.DoSingleTick_Patch4 (Verse.TickManager)
Verse.TickManager:TickManagerUpdate ()
(wrapper dynamic-method) Verse.Game:Verse.Game.UpdatePlay_Patch1 (Verse.Game)
Verse.Root_Play:Update ()

Apparently this error keeps showing up when the kyulen is bond to someone.