Fix crash

Author: Nyeriah

src/mod_zone_difficulty_scripts.cpp

@@ -664,15 +664,19 @@ class mod_zone_difficulty_rewardnpc : public CreatureScript
                     return true;
                 }
                 npcText = NPC_TEXT_CONFIRM;
-                ItemTemplate const* proto = sObjectMgr->GetItemTemplate(sZoneDifficulty->TierRewards[category].Entry);
-                std::string name = proto->Name1;
 
-                if (ItemLocale const* leftIl = sObjectMgr->GetItemLocale(sZoneDifficulty->TierRewards[category].Entry))
-                    ObjectMgr::GetLocaleString(leftIl->Name, player->GetSession()->GetSessionDbcLocale(), name);
+                if (ItemTemplate const* proto = sObjectMgr->GetItemTemplate(sZoneDifficulty->TierRewards[category].Entry))
+                {
+                    std::string name = proto->Name1;
+
+                    if (ItemLocale const* leftIl = sObjectMgr->GetItemLocale(sZoneDifficulty->TierRewards[category].Entry))
+                        ObjectMgr::GetLocaleString(leftIl->Name, player->GetSession()->GetSessionDbcLocale(), name);
+
+                    AddGossipItemFor(player, GOSSIP_ICON_CHAT, "No!", GOSSIP_SENDER_MAIN, 999998);
+                    AddGossipItemFor(player, GOSSIP_ICON_VENDOR, Acore::StringFormat("Yes, {} is the item I want.", name), GOSSIP_SENDER_MAIN, 99001000 + category);
+                    SendGossipMenuFor(player, npcText, creature);
+                }
 
-                AddGossipItemFor(player, GOSSIP_ICON_CHAT, "No!", GOSSIP_SENDER_MAIN, 999998);
-                AddGossipItemFor(player, GOSSIP_ICON_VENDOR, Acore::StringFormat("Yes, {} is the item I want.", name), GOSSIP_SENDER_MAIN, 99001000 + category);
-                SendGossipMenuFor(player, npcText, creature);
                 return true;
             }
             return true;