Forex_Strategy_Builder.Dialogs.Generator.Generator.GenerateCalculationErrorMessage C# (CSharp) Method

        string GenerateCalculationErrorMessage(string exceptionMessage)
        {
            string text = "<h1>Error: " + exceptionMessage + "</h1>";
            string customIndicators = "";
            int    customIndCount   = 0;

            for (int slot = 0; slot < Data.Strategy.Slots; slot++)
            {
                string indName = Data.Strategy.Slot[slot].IndicatorName;
                Indicator indicator = Indicator_Store.ConstructIndicator(indName, Data.Strategy.Slot[slot].SlotType);
                if (indicator.CustomIndicator)
                {
                    customIndCount++;
                    indicatorBlackList.Add(indName);
                    customIndicators += "<li>" + Data.Strategy.Slot[slot].IndicatorName + "</li>" + Environment.NewLine;
                }
            }

            if (customIndCount > 0)
            {
                string plural = (customIndCount > 1 ? "s" : "");

                text +=
                    "<p>" +
                        "An error occurred when calculating the strategy." + " " +
                        "The error can be a result of the following custom indicator" + plural + ":" +
                    "</p>" +
                    "<ul>" +
                        customIndicators +
                    "</ul>" +
                    "<p>" +
                        "Please report this error to the author of the indicator" + plural + "!<br />" +
                        "You may remove this indicator" + plural + " from the Custom Indicators folder." +
                    "</p>";
            }
            else
            {
                text +=
                    "<p>" +
                        "Please report this error in the support forum!" +
                    "</p>";

            }

            return text;
        }