diff --git a/SimpleEcon/Config.cs b/SimpleEcon/Config.cs
index 5991178..b907c88 100644
--- a/SimpleEcon/Config.cs
+++ b/SimpleEcon/Config.cs
@@ -7,12 +7,14 @@
 
 namespace SimpleEcon
 {
-    public class Config
-    {
+	public class Config
+	{
 		public string currencyNameSingular { get; set; } = "dollar";
 		public string currencyNamePlural { get; set; } = "dollars";
 
+		public List<int> excludedMobs { get; set; } = new List<int>() { 211, 210 };
 
+		public bool enableMobDrops { get; set; } = false;
 		public bool giveRewardsForPlaytime { get; set; } = false;
 		public int rewardtimer { get; set; } = 5;
 
diff --git a/SimpleEcon/EconPlayer.cs b/SimpleEcon/EconPlayer.cs
index d4aa3ae..0df3813 100644
--- a/SimpleEcon/EconPlayer.cs
+++ b/SimpleEcon/EconPlayer.cs
@@ -28,8 +28,19 @@ public static class PlayerManager
     {
         public static EconPlayer GetPlayer(int playerId)
         {
+            if(playerId == null)
+            {
+                return null;
+            }
+
+            if (TShock.Players[playerId] == null)
+            {
+                return null;
+            }
+
             var name = TShock.Players[playerId].Name;
 
+
             return SimpleEcon.econPlayers.Find(p => p.name == name);
         }
         public static EconPlayer GetPlayer(string name)
diff --git a/SimpleEcon/SimpleEcon.cs b/SimpleEcon/SimpleEcon.cs
index 9c4616e..c6b1eaf 100644
--- a/SimpleEcon/SimpleEcon.cs
+++ b/SimpleEcon/SimpleEcon.cs
@@ -95,12 +95,40 @@ public async void rewardsManager()
 
         void NetHooks_SendData(SendDataEventArgs e)
         {
+            if(config.enableMobDrops == false)
+            {
+                return;
+            }
+            TSPlayer player = null;
+
+            if (e.Handled == true
+                || (player = TSPlayer.FindByNameOrID(e.ignoreClient.ToString())[0]) == null)
+            {
+                return;
+            }
+
             if (e.MsgId == PacketTypes.NpcStrike)
             {
+                if (Main.npc[e.number] == null)
+                {
+                    return;
+                }
                 NPC npc = Main.npc[e.number];
+
+                if (config.excludedMobs.Count > 0)
+                {
+                    foreach(int mob in config.excludedMobs)
+                    {
+                        if (npc.netID == mob)
+                        {
+                            return;
+                        }
+                    }
+                }
+
                 if (npc.life <= 0)
                 {
-                    var player = TSPlayer.FindByNameOrID(e.ignoreClient.ToString());
+                    player = TSPlayer.FindByNameOrID(e.ignoreClient.ToString())[0];
                     Color color;
 
                     int totalGiven = 1;
@@ -168,14 +196,14 @@ void NetHooks_SendData(SendDataEventArgs e)
                         color = Color.Red;
                     }
 
-                    PlayerManager.GetPlayer(player[0].Name).balance += totalGiven;
+                    PlayerManager.GetPlayer(player.Name).balance += totalGiven;
                     if (totalGiven == 1)
                     {
-                        player[0].SendMessage("+ " + totalGiven + " " + config.currencyNameSingular + " from killing " + npc.FullName, color);
+                        player.SendMessage("+ " + totalGiven + " " + config.currencyNameSingular + " from killing " + npc.FullName, color);
                     }
                     else
                     {
-                        player[0].SendMessage("+ " + totalGiven + " " + config.currencyNamePlural + " from killing " + npc.FullName, color);
+                        player.SendMessage("+ " + totalGiven + " " + config.currencyNamePlural + " from killing " + npc.FullName, color);
                     }
 
                 }
@@ -280,13 +308,17 @@ private void Reloaded(ReloadEventArgs e)
 
         private void PlayerJoin(GreetPlayerEventArgs args)
         {
+            if(TShock.Players[args.Who] == null)
+            {
+                return;
+            }
+
             TSPlayer player = TShock.Players[args.Who];
 
             EconPlayer p = new EconPlayer(player.Name, player);
             econPlayers.Add(p);
             InitPlayerEcon(p);
 
-
         }
 
         public void InitPlayerEcon(EconPlayer p)
@@ -308,8 +340,18 @@ public void UpdatePlayer(EconPlayer p)
 
         private void PlayerLeave(LeaveEventArgs args)
         {
+            if(TShock.Players[args.Who] == null)
+            {
+                return;
+            }
+
             TSPlayer player = TShock.Players[args.Who];
 
+            if (PlayerManager.GetPlayer(player.Name) == null) {
+                return;
+            }
+
+
             dbManager.SavePlayer(PlayerManager.GetPlayer(player.Name));
             econPlayers.Remove(new EconPlayer(player.Name, player));
         }