bug!

LimeWire version 2.3.2
Java version 1.1.8 from Apple Computer, Inc.
Mac OS v. 9.2.2 on PowerPC
Free/total memory: 17230896/22413312

java.lang.NumberFormatException: null
at java.lang.Integer.parseInt(Compiled Code)
at java.lang.Integer.parseInt(Compiled Code)
at com.limegroup.gnutella.SettingsManager.getWindowX( Unknown Source)
at com.limegroup.gnutella.gui.MainFrame.setFrameDimen sions(Unknown Source)
at com.limegroup.gnutella.gui.MainFrame.<init>(Compil ed Code)
at com.limegroup.gnutella.gui.GUIMediator.<init>(Unkn own Source)
at com.limegroup.gnutella.gui.GUIMediator.instance(Un known Source)
at com.limegroup.gnutella.gui.Initializer.initialize( Unknown Source)
at com.limegroup.gnutella.gui.Main.main(Unknown Source)
at com.zerog.lax.LAX.launch(Compiled Code)
at com.zerog.lax.LAX.main(Unknown Source)
at com.apple.mrj.JManager.JMStaticMethodDispatcher.ru n(JMAWTContextImpl.java)
at java.lang.Thread.run(Thread.java)

what do I need to do?