Needs contract null check

src/engine/objects/Mob.java

@@ -1693,7 +1693,9 @@ public class Mob extends AbstractIntelligenceAgent {
         else
             this.contract = DbManager.ContractQueries.GET_CONTRACT(this.contractUUID);
 
-        // Guard captaiin AI
+        // Guard captain AI
+
+        if (this.contract != null) {
 
             if (NPC.ISGuardCaptain(contract.getContractID())) {
                 this.spawnTime = 60 * 15;
@@ -1702,7 +1704,7 @@ public class Mob extends AbstractIntelligenceAgent {
 
             // Load AI for wall archers
 
-        if (this.contract != null && NPC.ISWallArcher(this.contract)) {
+            if (NPC.ISWallArcher(this.contract)) {
                 this.behaviourType = MobBehaviourType.GuardWallArcher;
                 this.isPlayerGuard = true;
                 this.spawnTime = 450;
@@ -1710,12 +1712,13 @@ public class Mob extends AbstractIntelligenceAgent {
 
             // Load AI for guard dogs
 
-        if (this.contract != null && this.contract.getContractID() == 910) {
+            if (this.contract.getContractID() == 910) {
                 this.isPlayerGuard = true;
                 this.behaviourType = MobBehaviourType.GuardCaptain;
                 this.spawnTime = 900;
                 this.guardedCity = ZoneManager.getCityAtLocation(this.bindLoc);
             }
+        }
 
         if (this.building != null)
             this.guild = this.building.getGuild();