[amibroker] Can anyone test out this AFL for me - I'm having problems

["dralexchambers" <dralexchambers@xxxxxxxxx>]

I am having trouble with the exploration below - I am trying to find
the average BollingerBand width on 1min date between 1pm and 4pm each
day.

The code outputs {EMPTY} in the exploration window - can anyone
advise.

====================================================================

startTime = 130000;
endTime = 160000;

ttt = IIf(TimeNum() >= startTime AND TimeNum() <= endTime,1,0);

BTopSum = IIf(ttt==1,BBandTop(C,20,2),0);
BBotSum = IIf(ttt==1,BBandBot(C,20,2),0);

q = Sum(BTopSum,BarCount) - Sum(BBotSum,BarCount);
t = q/Sum(ttt,BarCount);

Buy=Sell=0;
Filter=1;

AddTextColumn(NumToStr(t),"AvRange");



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