diff --git a/Source/1.6/Comps/Comp_Guard.cs b/Source/1.6/Comps/Comp_Guard.cs
index f30cbfb..d1edea6 100644
--- a/Source/1.6/Comps/Comp_Guard.cs
+++ b/Source/1.6/Comps/Comp_Guard.cs
@@ -290,7 +290,8 @@ public void ReassureSurroundingPawns()
                                 if (!cp.health.capacities.CapableOf(PawnCapacityDefOf.Sight))
                                     continue;
 
-                                cp.needs.mood.thoughts.memories.TryGainMemory(Utils.SawnGuard, null);
+                                if (cp.needs?.mood?.thoughts?.memories != null)
+                                    cp.needs.mood.thoughts.memories.TryGainMemory(Utils.SawnGuard, null);
                             }
                         }
                     }
diff --git a/Source/1.6/DeathSquad/ThinkNode_ConditionalShouldSearchAndKill.cs b/Source/1.6/DeathSquad/ThinkNode_ConditionalShouldSearchAndKill.cs
index 04e67f3..6549785 100644
--- a/Source/1.6/DeathSquad/ThinkNode_ConditionalShouldSearchAndKill.cs
+++ b/Source/1.6/DeathSquad/ThinkNode_ConditionalShouldSearchAndKill.cs
@@ -42,7 +42,7 @@ public static bool ShouldSearchAndKill(Pawn pawn)
             }*/
 
             if (comp == null || !comp.DeathSquadMode()
-               || (pawn.timetable.CurrentAssignment == TimeAssignmentDefOf.Joy)
+               || (pawn.timetable != null && pawn.timetable.CurrentAssignment == TimeAssignmentDefOf.Joy)
                 || (pawn.health != null && pawn.health.summaryHealth.SummaryHealthPercent <= 0.55f && !GenAI.EnemyIsNear(pawn, 55f))
                 || Utils.guardNeedFood(pawn)
                 || Utils.guardNeedJoy(pawn)
diff --git a/Source/1.6/Guardian/ThinkNode_ConditionalNeedPercentageBelow.cs b/Source/1.6/Guardian/ThinkNode_ConditionalNeedPercentageBelow.cs
index 4cc1415..84699f5 100644
--- a/Source/1.6/Guardian/ThinkNode_ConditionalNeedPercentageBelow.cs
+++ b/Source/1.6/Guardian/ThinkNode_ConditionalNeedPercentageBelow.cs
@@ -17,7 +17,9 @@ public override ThinkNode DeepCopy(bool resolve = true)
 
         protected override bool Satisfied(Pawn pawn)
         {
-            return pawn.needs.TryGetNeed(this.need).CurLevelPercentage < this.threshold;
+            if (pawn.needs == null) return false;
+            Need need = pawn.needs.TryGetNeed(this.need);
+            return need != null && need.CurLevelPercentage < this.threshold;
         }
 
         private NeedDef need;
diff --git a/Source/1.6/Guardian/ThinkNode_ConditionalShouldGuardSpot.cs b/Source/1.6/Guardian/ThinkNode_ConditionalShouldGuardSpot.cs
index 28fac3a..cbc3c2a 100644
--- a/Source/1.6/Guardian/ThinkNode_ConditionalShouldGuardSpot.cs
+++ b/Source/1.6/Guardian/ThinkNode_ConditionalShouldGuardSpot.cs
@@ -41,7 +41,7 @@ public static bool ShouldGuardSpot(Pawn pawn)
             Comp_Guard comp = pawn.TryGetComp<Comp_Guard>();
 
             if (comp == null || !comp.GuardMode()
-               || (pawn.timetable.CurrentAssignment == TimeAssignmentDefOf.Joy)
+               || (pawn.timetable != null && pawn.timetable.CurrentAssignment == TimeAssignmentDefOf.Joy)
                 || (pawn.health != null && pawn.health.summaryHealth != null && pawn.health.summaryHealth.SummaryHealthPercent <= 0.55f && !GenAI.EnemyIsNear(pawn, 55f))
                 || ThinkNode_ConditionalShouldSearchAndKill.ShouldSearchAndKill(pawn)
                 || Utils.guardNeedFood(pawn)
diff --git a/Source/1.6/Patrol/ThinkNode_ConditionalShouldPatrol.cs b/Source/1.6/Patrol/ThinkNode_ConditionalShouldPatrol.cs
index 40b48b3..81783b6 100644
--- a/Source/1.6/Patrol/ThinkNode_ConditionalShouldPatrol.cs
+++ b/Source/1.6/Patrol/ThinkNode_ConditionalShouldPatrol.cs
@@ -31,7 +31,7 @@ public static bool ShouldPatrol(Pawn pawn)
             Comp_Guard comp = pawn.TryGetComp<Comp_Guard>();
 
             if (comp == null || comp.affectedPatrol == ""
-                || (pawn.timetable.CurrentAssignment == TimeAssignmentDefOf.Joy)
+                || (pawn.timetable != null && pawn.timetable.CurrentAssignment == TimeAssignmentDefOf.Joy)
                 || (pawn.health != null && pawn.health.summaryHealth.SummaryHealthPercent <= 0.55f && !GenAI.EnemyIsNear(pawn, 55f))
                 || Utils.guardNeedFood(pawn)
                 || Utils.guardNeedJoy(pawn)
diff --git a/Source/1.6/Utils.cs b/Source/1.6/Utils.cs
index 9d111b0..756d7c8 100644
--- a/Source/1.6/Utils.cs
+++ b/Source/1.6/Utils.cs
@@ -42,36 +42,43 @@ public static string TranslateTicksToTextIRLSeconds(int ticks)
 
         public static bool guardNeedRest(Pawn pawn)
         {
+            if (pawn.needs == null) return false;
             return (pawn.needs.rest != null && pawn.needs.rest.CurLevelPercentage < Settings.minRestStopJob) || (ANDROIDLOADED && chjDroidNeedRest(pawn));
         }
 
         public static bool guardNeedFood(Pawn pawn)
         {
+            if (pawn.needs == null) return false;
             return (pawn.needs.food != null && pawn.needs.food.CurLevelPercentage < Settings.minFoodStopJob);
         }
 
         public static bool guardNeedJoy(Pawn pawn)
         {
+            if (pawn.needs == null) return false;
             return (pawn.needs.joy != null && pawn.needs.joy.CurLevelPercentage < Settings.minJoyStopJob);
         }
 
         public static bool guardNeedMood(Pawn pawn)
         {
+            if (pawn.needs == null) return false;
             return (pawn.needs.mood != null && pawn.needs.mood.CurLevelPercentage < Settings.minMoodStopJob);
         }
 
         public static bool guardNeedHygiene(Pawn pawn)
         {
+            if (pawn.needs == null) return false;
             return (needHygiene != null && pawn.needs.TryGetNeed(needHygiene) != null && pawn.needs.TryGetNeed(needHygiene).CurLevelPercentage < Settings.minHygieneStopJob);
         }
 
         public static bool guardNeedBladder(Pawn pawn)
         {
+            if (pawn.needs == null) return false;
             return (needBladder != null && pawn.needs.TryGetNeed(needBladder) != null && pawn.needs.TryGetNeed(needBladder).CurLevelPercentage < Settings.minBladderStopJob);
         }
 
         public static bool chjDroidNeedRest(Pawn pawn)
         {
+             if (pawn.needs == null) return false;
              foreach (Need need in pawn.needs.AllNeeds)
 			 {
 				if (need != null && need.def.defName == "ChJEnergy")