Opening Intellij IDEA

When I try to open my intelliJ application I get this error:

(Unknown Source)

	at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown Source)

	at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:659)

	at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:627)

	at com.intellij.openapi.diagnostic.Logger.b(Logger.java:46)

	at com.intellij.openapi.diagnostic.Logger.getInstance(Logger.java:67)

	at com.intellij.idea.Main.(Main.java:50)

	at java.lang.Class.forName0(Native Method)

	at java.lang.Class.forName(Unknown Source)

	at com.zerog.lax.LAX.launch(Unknown Source)

	at com.zerog.lax.LAX.main(Unknown Source)]]>

What could be the problem?