java.lang.NumberFormatException: Invalid int: "**"

[gandulf]

java.lang.NumberFormatException: Invalid int: "**"
    at java.lang.Integer.invalidInt(Integer.java:138)
    at java.lang.Integer.parse(Integer.java:375)
    at java.lang.Integer.parseInt(Integer.java:366)
    at java.lang.Integer.parseInt(Integer.java:332)
    at java.lang.Integer.valueOf(Integer.java:490)
    at com.dsatab.util.Util.parseInteger(Util.java:496)
    at com.dsatab.data.ProbeInfo.applyProbePattern(ProbeInfo.java:97)
    at com.dsatab.data.Spell.setProbePattern(Spell.java:136)
    at com.dsatab.xml.HeldenXmlParser.fillSpells(HeldenXmlParser.java:1146)
    at com.dsatab.xml.HeldenXmlParser.readHero(HeldenXmlParser.java:190)
    at com.dsatab.data.HeroLoaderTask.loadInBackground(HeroLoaderTask.java:91)
    at com.dsatab.data.HeroLoaderTask.loadInBackground(HeroLoaderTask.java:19)
    at android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:303)
    at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:68)
    at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:56)
    at android.os.AsyncTask$2.call(AsyncTask.java:287)
    at java.util.concurrent.FutureTask.run(FutureTask.java:234)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
    at java.lang.Thread.run(Thread.java:856)