This Script Keeps Givin An Error Pls Help

This Is A FLickering Candle Script But It Gives A Error Message Can Someone Pls Help

// Colors to cycle through
  list colors = [ "<1, 0.375, 0>", "<1, 0.5, 0>", "<1, 0.625, 0>" ];
  // Time interval to flicker light at
  float flicker = 0.05;
  
  state on {
      state_entry() {
          ParticlesOn();
          llSetTimerEvent(flicker);
      }
  
      timer() {
          integer random = llFloor(llFrand(llGetListLength(colors)));
          llSetPrimitiveParams([PRIM_POINT_LIGHT, TRUE, (vector)llList2String(colors, random), 1.0, 10.0, 0.75]);
      }
          
  } 

I'm no coder but first off you don't have a default state, so change 'state on' to 'default'

Secondly, ParticlesOn() is not a valid funcion, nor defined in the script. If I take that line out, it will compile and kinda work. Hope that gives you a place to start at.