hi who can help me apple G4 mac os 8.6
error :
Invocation of this Java Application has caused an InvocationTargetException. This application will now exit. (LAX)

Stack Trace:
java.lang.NoSuchMethodError: javax.swing.plaf.metal.MetalLookAndFeel: method setCurrentTheme(Ljavax/swing/plaf/metal/MetalTheme;)V not found
at com.limegroup.gnutella.gui.LimeLookAndFeel.<init>( LimeLookAndFeel.java:21)
at
at com.limegroup.gnutella.gui.Initializer.initialize( Initializer.java:52)
at com.limegroup.gnutella.gui.Main.main(Main.java:16)
at com.zerog.lax.LAX.launch(Compiled Code)
at com.zerog.lax.LAX.main([DashoPro-V1.2-120198])
at com.apple.mrj.JManager.JMStaticMethodDispatcher.ru n(JMAWTContextImpl.java)
at java.lang.Thread.run(Thread.java)