special case drop rate for contracts runes and resources completed

src/engine/gameManager/LootManager.java

@@ -207,10 +207,14 @@ public enum LootManager {
 
         int ContractTableID = 0;
         for(GenTableEntry entry : _genTables.get(lootTableID)){
+            try {
                 if (ItemBase.getItemBase(_itemTables.get(entry.itemTableID).get(0).cacheID).getType().equals(Enum.ItemType.CONTRACT)) {
                     ContractTableID = entry.itemTableID;
                     break;
                 }
+            }catch(Exception e){
+
+            }
         }
 
         if(ContractTableID == 0)
@@ -237,10 +241,14 @@ public enum LootManager {
 
         int RuneTableID = 0;
         for(GenTableEntry entry : _genTables.get(lootTableID)){
+            try {
                 if (ItemBase.getItemBase(_itemTables.get(entry.itemTableID).get(0).cacheID).getType().equals(Enum.ItemType.RUNE)) {
                     RuneTableID = entry.itemTableID;
                     break;
                 }
+            }catch(Exception e){
+
+            }
         }
 
         if(RuneTableID == 0)
@@ -267,10 +275,14 @@ public enum LootManager {
 
         int ResourceTableID = 0;
         for(GenTableEntry entry : _genTables.get(lootTableID)){
+            try {
                 if (ItemBase.getItemBase(_itemTables.get(entry.itemTableID).get(0).cacheID).getType().equals(Enum.ItemType.RESOURCE)) {
                     ResourceTableID = entry.itemTableID;
                     break;
                 }
+            }catch(Exception e){
+
+            }
         }
 
         if(ResourceTableID == 0)