This is the offending code :-
namespace NinjaTrader.NinjaScript.Indicators
{
public class BullFlagIndicator : Indicator
{
region State Variables
private ATR atr;
#endregion
protected override void OnStateChange()
{
}
else if (State == State.DataLoaded)
{
atr = ATR(AtrPeriod);
AddChartIndicator(atr);

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