IRSi error while compile

[Suy Kok Yik]

What is going wrong ? Who can help ?

   if (UseIndicator8)
   {
      double Up   = iCustom(Symbol(),TimeFrame8,Indicator8,Nbr_Periods,Multiplier,0,0);
      double Down = iCustom(Symbol(),TimeFrame8,Indicator8,Nbr_Periods,Multiplier,1,0);
      if (signal(Up) && Bid > Up) Indi8 = Buy;
      if (signal(Down) && Bid < Down) Indi8 = Sell;
   }
   
   if (UseIndicator9)
   {
      double BuyRSI  = iRSI(NULL,TimeFrame9,period_1,Shift_1,ApplyTo_1,0);
      double SellRSI = iRSI(NULL,TimeFrame9,period_1,Shift_1,ApplyTo_1,0);
      if (Bid >= BuyRSI) Indi9 = Buy;
      if (Bid <= SellRSI) Indi9 = Sell;   
   
   }
   
   if ((Indi1 == Buy  || !UseIndicator1) && 
       (Indi2 == Buy  || !UseIndicator2) && 

[Lee Chee Tat]

https://docs.mql4.com/indicators/irsi

rsi only has 5 parameter

[William Roeder]

1. Perhaps you should read the manual.
      How To Ask Questions The Smart Way. 2004
         How To Interpret Answers.
            RTFM and STFW: How To Tell You've Seriously Screwed Up.

   Your code	Documentation
   double BuyRSI = iRSI(    NULL,    TimeFrame9,    period_1,    Shift_1,    ApplyTo_1,    0 );	double  iRSI(    string symbol,        // symbol    int    timeframe,     // timeframe    int    period,        // period    int    applied_price, // applied price    int    shift          // shift    );

   
   

2. Always post all relevant code (using Code button) or attach the file. We have no idea what those variables are (type and value).
   

[Suy Kok Yik]

William Roeder:

Perhaps you should read the manual.
   How To Ask Questions The Smart Way. 2004
      How To Interpret Answers.
         RTFM and STFW: How To Tell You've Seriously Screwed Up.

Your code	Documentation

Hi William,

Many thanks. Problem had been solved after deleting the "shift_1". 

Meantime, I apologize for not posting the question in proper way. 

You are great helper.