I'm using this script to draw wireframe. Script read from string file, split coordinate and make vector3 array. In desktop mode all ok, but now in iOS give me error:

Assets/Script/Wireframe.js(33,23): BCE0050: Operator '-' cannot be used with an expression of type 'Object'.

import System.IO;
var Filename : String;

var lineMaterial : Material;
var lineColor : Color;
var lineAlpha : float;
var lineThickness = 1.0;
var line3D = false;

private var line : VectorLine;
private var LinesArray : Vector3[];
private var PointsList : Array;
private var Lines : Array;
private var i : int;

function Start () {
    var sr = new StreamReader(Application.dataPath + "/" + Filename);
    var fileContents = sr.ReadToEnd();
    sr.Close();
    var Points = fileContents.Split(","[0]);

    //PointsList = new Array();
    for (i = 0; i < Points.length; i++){ 
    PointsList.Add(float.Parse(Points[i]));    
  }
    //Lines = new Array();
    for (i = 0; i < PointsList.length / 3; i++){ 
    Lines.Add(Vector3(-PointsList[i*3],PointsList[i*3+2],-PointsList[i*3+1]));
} 
    LinesArray = Lines.ToBuiltin(Vector3); 
    line = new VectorLine("Line", LinesArray, lineColor, lineMaterial, lineThickness); 
    VectorManager.useDraw3D = line3D;
    line.joins = Joins.Weld;
    VectorManager.ObjectSetup (gameObject, line, Visibility.Dynamic, Brightness.None);   
}

function LateUpdate (){
    line.vectorObject.renderer.material.color.a = lineAlpha;
}

Somebody help me to correct script?