Can anybody help me fix the bug with this indicator . The alert and notification triggers at the opening of a new bar, instead of when there is BUY/SELL signals : //+------------------------------------------------------------------+
//| IINWMARROWS.mq4 |
//| Based on EMA_CROSS.mq4 |
//| Copyright © 2006, MetaQuotes Software Corp. |
//| https://www.metaquotes.net |
//| Last little modified by Iin Zulkarnain |
//+------------------------------------------------------------------+
#property copyright 'Copyright © 2006, MetaQuotes Software Corp.'
#property link 'https://www.metaquotes.net'
//----
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 White
#property indicator_color2 Crimson
#property indicator_width1 2
#property indicator_width2 2
//----
double CrossUp[];
double CrossDown[];
extern int FasterMA= 5;
extern int SlowerMA= 7;
extern string note1 = 'Faster/Slower Mode Option',
              note2 = '0=sma, 1=ema, 2=smma, 3=lwma';
extern int FasterMode=1; //0=sma, 1=ema, 2=smma, 3=lwma
extern int SlowerMode=1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note3 = 'Your Alert Options',
              note4 = 'true using your wav file',
              note5 = 'false using default alert';
extern bool YourAlert = false;

 double alertTag;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, 221);
   SetIndexBuffer(0, CrossUp);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, 222);
   SetIndexBuffer(1, CrossDown);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
  {
//----
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
  int start()
  {
   int limit, i, counter;
   double fasterMAnow, slowerMAnow, fasterMAprevious, slowerMAprevious, fasterMAafter, slowerMAafter;
   double Range, AvgRange;
   int counted_bars=IndicatorCounted();
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
//----
   limit=Bars-counted_bars;
     for(i=0; i<=limit; i++)
     {
      counter=i;
      Range=0;
      AvgRange=0;
      for(counter=i ;counter<=i+9;counter++)
        {
         AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
        }
      Range=AvgRange/10;
      fasterMAnow=iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i);
      fasterMAprevious=iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i+1);
      fasterMAafter=iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i-1);
//----
      slowerMAnow=iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_OPEN, i);
      slowerMAprevious=iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_OPEN, i+1);
      slowerMAafter=iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_OPEN, i-1);
        if ( (fasterMAnow > slowerMAnow) && (fasterMAprevious <
slowerMAprevious) && (fasterMAafter > slowerMAafter)) {
         CrossUp[i] = Low[i] - Range*0.5;
         if ( alertTag!=Time[0])
         {
         if (YourAlert == false)
            {
            Alert(Symbol(),' M',Period(),' IINWMARROWS BUY');
            }
         else
            {
            PlaySound('alert1.wav');// buy wav
            }
         }
          alertTag = Time[0];
      }
      else if ((fasterMAnow < slowerMAnow) && (fasterMAprevious >
slowerMAprevious) && (fasterMAafter < slowerMAafter)) {
         CrossDown[i] = High[i] + Range*0.5;
         if ( alertTag!=Time[0])
         {
          if (YourAlert == false)
             {
             Alert(Symbol(),' M',Period(),' IINWMARROWS SELL');
             }
          else
             {
             PlaySound('alert2.wav'); //sell wav
             }
         }
          alertTag = Time[0];
      }
   }
   return(0);
}

     
//+------------------------------------------------------------------+