for (int i = 0; i < Main.npc.Length; i++)
            {
                if (Main.npc[i].active && Main.npc[i].netID != NPCID.TargetDummy && (Main.npc[i].netID == 35 || Main.npc[i].netID == 127))
                {
                    args.Player.SendErrorMessage("You cannot change the time while Skeletron is active!");
                    return;
                }
            }