diff --git a/A1Emu/A1_Utils/A1_Sender.cs b/A1Emu/A1_Utils/A1_Sender.cs
index bfcee2b..b437c12 100644
--- a/A1Emu/A1_Utils/A1_Sender.cs
+++ b/A1Emu/A1_Utils/A1_Sender.cs
@@ -7,17 +7,22 @@ using NetCoreServer;
 public class A1_Sender { 
 
    public void SendToUser(TcpServer sendingServer, string guid, string message){
-      TcpSession session = sendingServer.FindSession(new Guid(guid));
+      try
+      {
+         TcpSession session = sendingServer.FindSession(new Guid(guid));
 
-      List<byte[]> d = new List<byte[]>();
-      Byte[] reply = Encoding.ASCII.GetBytes(message);
-      byte[] b2 = new byte[] {0x00};
-      d.Add(reply);
-      d.Add(b2);
-      byte[] b3 = d.SelectMany(a => a).ToArray();
+         List<byte[]> d = new List<byte[]>();
+         Byte[] reply = Encoding.ASCII.GetBytes(message);
+         byte[] b2 = new byte[] {0x00};
+         d.Add(reply);
+         d.Add(b2);
+         byte[] b3 = d.SelectMany(a => a).ToArray();
 
-      Console.WriteLine(message);
-      session?.Send(b3, 0, b3.Length);
+         Console.WriteLine(message);
+         session?.Send(b3, 0, b3.Length);
+      }catch(System.FormatException){
+         Console.WriteLine("[Error] Couldn't send to user...");
+      }
    }
 
 }
\ No newline at end of file