message in try catch

CardMarketServer/handleClient.cs

@@ -34,8 +34,16 @@ namespace CardMarketServer
             {
                 while (true)
                 {
-                    string message = reader.ReadString();
+                    string? message;
-                    
+                    try
+                    {
+                        message = reader.ReadString();
+                    }
+                    catch(FormatException)
+                    {
+                        Console.WriteLine("Formatexception ");
+                        continue;
+                    }
                     if (message != null)
                     {
                         EACTION action = EACTION.NONE;