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

[gandulf]

java.lang.NumberFormatException: Invalid int: "**"
    at java.lang.Integer.invalidInt(Integer.java:137)
    at java.lang.Integer.parse(Integer.java:374)
    at java.lang.Integer.parseInt(Integer.java:365)
    at java.lang.Integer.parseInt(Integer.java:331)
    at java.lang.Integer.valueOf(Integer.java:489)
    at com.dsatab.util.Util.parseInteger(Util.java:495)
    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:312)
    at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:69)
    at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:57)
    at android.os.AsyncTask$2.call(AsyncTask.java:288)
    at java.util.concurrent.FutureTask.run(FutureTask.java:237)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
    at java.lang.Thread.run(Thread.java:841)