Java Web Start - Unexpected error

Kære eksperter,

Skal til min hovedopgave bruge et statistikprogram (Tetrad), som ligger på følgende URL:

http://www.phil.cmu.edu/projects/tetrad_download/

Jeg har den nyeste version af java (SE 5), og den starter også med at pakke programmet ud, men så snart den skal til at eksekvere det får jeg den der "Unexpected error". Jeg har for en sikkerheds skyld copy pastet hele fejlmeddelelsen ind nedenfor. Håber virkelig der er den, der kan hjælpe, da mit hovedopgave liv afhænger ret meget af det program :-)

Under fanebladet General står følgende:

An error occurred while launching/running the application.

Title: Tetrad 4.3.5-0
Vendor: Philosophy, Carnegie Mellon University
Category: Unexpected Error

Please correct the file project/resources/version
so that it contains a version number of the form
a.b.c-d, where a, b, c, and a are integers. It should have
been in CVS. Try doing cvs up or looking in an recent version
of the repository in case someone removed it. This should be
the version of last published version of Tetrad.

Under fanebladet "launch file" står følgende:

<?xml version="1.0" encoding="utf-8"?>
<!-- JNLP File for Tetrad application -->
<jnlp
    spec="1.0+"
    codebase="http://www.phil.cmu.edu/projects/tetrad_download/"
    href="launchers/tetrad-4.3.5-0.jnlp">
    <information>
        <title>Tetrad 4.3.5-0</title>
        <vendor>Philosophy, Carnegie Mellon University</vendor>
        <homepage href="index.html"/>
        <description>Tetrad Application, Version 4.3.5-0</description>
        <description kind="short">Causal analysis tool.</description>
        <offline-allowed/>
    </information>
    <security>
        <all-permissions/>
    </security>
    <resources>
        <j2se version="1.4+" max-heap-size="300M"/>
        <jar href="download/tetrad-4.3.5-0.jar"/>
    </resources>
    <application-desc main-class="edu.cmu.tetradapp.Tetrad"/>
</jnlp>

Og under "Exception":

java.lang.RuntimeException: Please correct the file project/resources/version
so that it contains a version number of the form
a.b.c-d, where a, b, c, and a are integers. It should have
been in CVS. Try doing cvs up or looking in an recent version
of the repository in case someone removed it. This should be
the version of last published version of Tetrad.
    at edu.cmu.tetradapp.util.Version.currentViewableVersion(Version.java:179)
    at edu.cmu.tetradapp.Tetrad.<init>(Tetrad.java:64)
    at edu.cmu.tetradapp.Tetrad.main(Tetrad.java:81)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.sun.javaws.Launcher.executeApplication(Unknown Source)
    at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
    at com.sun.javaws.Launcher.continueLaunch(Unknown Source)
    at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
    at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
    at com.sun.javaws.Launcher.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

Er der nogen, der har et bud på, hvad jeg skal ændre/gøre for at få det til at køre?