diff --git a/src/engine/loot/ModTableEntry.java b/src/engine/loot/ModTableEntry.java
index 86697880..d72f5f32 100644
--- a/src/engine/loot/ModTableEntry.java
+++ b/src/engine/loot/ModTableEntry.java
@@ -34,10 +34,15 @@ public class ModTableEntry {
 
         itemTableEntryList = LootManager._modTables.get(modTablwe);
 
-        for (ModTableEntry iteration : itemTableEntryList)
+        if(itemTableEntryList == null)
+            return null;
+
+        for (ModTableEntry iteration : itemTableEntryList) {
+            if (iteration == null)
+                continue;
             if (roll >= iteration.minRoll && roll <= iteration.maxRoll)
                 modTableEntry = iteration;
-
+        }
         return modTableEntry;
     }
 }
diff --git a/src/engine/math/Bounds.java b/src/engine/math/Bounds.java
index 04998e1c..47bf9f07 100644
--- a/src/engine/math/Bounds.java
+++ b/src/engine/math/Bounds.java
@@ -220,7 +220,7 @@ public class Bounds {
             //player is inside building region, skip collision check. we only do collision from the outside.
             if (player.region != null && player.region.parentBuildingID == building.getObjectUUID())
                 continue;
-            if (building.getBounds().colliders == null)
+            if (building.getBounds() == null || building.getBounds().colliders == null)
                 continue;
 
             for (Colliders collider : building.getBounds().colliders) {
diff --git a/src/engine/mobileAI/MobAI.java b/src/engine/mobileAI/MobAI.java
index 6aed514a..1a26cd0b 100644
--- a/src/engine/mobileAI/MobAI.java
+++ b/src/engine/mobileAI/MobAI.java
@@ -155,7 +155,9 @@ public class MobAI {
     public static void AttackBuilding(Mob mob, Building target) {
 
         try {
-
+            if(target == null){
+                return;
+            }
             if (target.getRank() == -1 || !target.isVulnerable() || BuildingManager.getBuildingFromCache(target.getObjectUUID()) == null) {
                 mob.setCombatTarget(null);
                 return;
@@ -202,6 +204,7 @@ public class MobAI {
             }
 
         } catch (Exception e) {
+            mob.setCombatTarget(null);
             Logger.info(mob.getObjectUUID() + " " + mob.getName() + " Failed At: AttackBuilding" + " " + e.getMessage());
         }
     }
diff --git a/src/engine/net/client/handlers/ActivateNPCMsgHandler.java b/src/engine/net/client/handlers/ActivateNPCMsgHandler.java
index 8614d51d..4e0179d7 100644
--- a/src/engine/net/client/handlers/ActivateNPCMsgHandler.java
+++ b/src/engine/net/client/handlers/ActivateNPCMsgHandler.java
@@ -126,7 +126,7 @@ public class ActivateNPCMsgHandler extends AbstractClientMsgHandler {
                 return false;
 
             // Check if contract can be slotted in this building
-            Logger.error("inserting contract: " + contract.getContractID());
+            //Logger.error("inserting contract: " + contract.getContractID());
             if (contract.canSlotinBuilding(building) == false) {
                 boolean override = false;
                 if (building.getBlueprint().getBuildingGroup().equals(Enum.BuildingGroup.TOL)) {
@@ -152,7 +152,7 @@ public class ActivateNPCMsgHandler extends AbstractClientMsgHandler {
                     return false;
                 }
             }
-            Logger.error("override successful: " + contract.getContractID());
+            //Logger.error("override successful: " + contract.getContractID());
             if (!BuildingManager.addHireling(building, player, zone, contract, contractItem))
                 return false;