simple iCustom call for an indicator shows line

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Hello

I just wrote an simple indicator to call another indicator, because each of its buffers is used...and nothing but a line appears!
The code is simple, but I can't find the mistake!

#property indicator_separate_window
#property indicator_buffers 1
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_color1 FireBrick

//---- input parameters
extern int     FastMA=     100;
extern int     SlowMA=     200;
extern int     Crosses=    50;
extern bool    Comments=   false; 

double TRY[];

int init()
  {
//---- indicators
   SetIndexBuffer(0,TRY);
   SetIndexStyle(0, DRAW_LINE);
//----
   return(0);
  }

int start()
  {
   int    counted_bars=IndicatorCounted();
   int    i, limit;
   
   
   if(counted_bars > 0)  counted_bars--;
   limit=Bars-counted_bars;
   
   for(i= 0; i< limit; i++)
     {
      TRY[i]=iCustom(NULL, 0, "Cycle", FastMA, SlowMA, Crosses, Comments, 0, 1);
     }

   return(0);
  }
//+------------------------------------------------------------------+

Please help me!
Thanks



leMai