Newtonsoft.Json.JsonWriter.CreateUnsupportedTypeException C# (CSharp) Method

        private static JsonWriterException CreateUnsupportedTypeException(JsonWriter writer, object value)
        {
            return JsonWriterException.Create(writer, "Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()), null);
        }

 public virtual void WriteValue(object value)
 {
     if (value == null)
     {
         this.WriteNull();
         return;
     }
     if (value is BigInteger)
     {
         throw JsonWriter.CreateUnsupportedTypeException(this, value);
     }
     JsonWriter.WriteValue(this, ConvertUtils.GetTypeCode(value), value);
 }