zone loading

src/engine/server/world/WorldServer.java

@@ -656,9 +656,13 @@ public class WorldServer {
 				npcs = DbManager.NPCQueries.GET_ALL_NPCS_FOR_ZONE(zone);
 
 				for (NPC n : npcs) {
+
+					if(n == null)
+						continue;
+
 					n.setObjectTypeMask(MBServerStatics.MASK_NPC);
 
-					if(n.contract.getContractID() == 1200) {
+					if(n.contract != null && n.contract.getContractID() == 1200) {
 						DbManager.NPCQueries.DELETE_NPC(n);
 						continue;
 					}