[amibroker] Error 29 on NYSE and OTC but not on AMEX?

["stevemajors" <stevemajors@xxxxxxxxx>]

I get a message 'Error 29 variable 'buy' used without being
initilized' when running a backtest on the NYSE or OTC list but not
when using the AMEX list.  

The lines highlighted are:

Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

I have the following code:

PositionSize = 10000;

PB_per = 5;
PBbot = HHV(Ref(High,-1) , 1);

PBbot_slope = LinRegSlope( Ref(Low,-1), PB_per);
for (bar = PB_per-1; bar < BarCount-1; bar++)
{
  for (loop = 0; loop < PB_per-1 ; loop++)
  {
	   PBbot = Min(PBbot, LLV(Ref(Low,-1),4) + (PBbot_slope*loop));
  }
}

for (bar = PB_per-1; bar < BarCount-1; bar++)
{
    BuyPrice = 0.962 * PBbot ;
	Buy = Low < BuyPrice ;
   Sell = Open;
}

Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);


Any help would be much appreciated

 




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