Script is not executed - Standard-TimeOut

Question

Hello, I have a problem with a script, that is debugged without mistakes, but is not executed anyway. The Script consists of the movie with a keyframe  that creates a new Instance for an Object that again creates a series of new Instances for another Object (array) that controls an associated Movieclip.
The Error: A Script was executed longer than the Standard-Time-Out of 15 Seconds.
If necessary, I will add the script.
Thank you

Answer 1

The Script shall create an endless flow of fonts that fall from top to bottem (a "matrix in serif")
The Main Movie
import testklassen.*;
stop();
var FontFlow1:FontFlow = new FontFlow();
The "testklassen"-package:
The First Object "Font" controls the Motion of the "FontMovieClip".
package testklassen {
    import flash.display.*;
    import flash.display.MovieClip;
    import flash.utils.*;
    import flash.events.*;
    import flash.events.Event;
    import fl.transitions.*;
    public class Font {
            public var Counter:int;
            public var X_Position:int;
            public var Y_Position:int;
            public var Speed:int;
            public var myFrameRate:Number;
            public function Font (pCounter, pX_Position, pY_Position, pSpeed)  {
                this.Counter = pCounter;
                this.X_Position = pX_Position;
                this.Y_Position = pY_Position;
                this.Speed = pSpeed;
                this.myFrameRate = 1000/32;
                //Loop moves the FontMovieClip from the top to the bottom...
                //The Motion consists only of Y-component.
                root.FontMovieClips[Counter].play();
                var timer:Timer = new Timer(myFrameRate, 100);
                timer.addEventListener(TimerEvent.TIMER, goOn);
                    function goOn()  {
                    this.Y_Position += this.Speed
                    root.FontMovieClips[Counter].Y = this.Y_Position;