The programm said I have to send this to a supporter:

What does that mean?

LimeWire version 2.4.4
Java version 1.1.8 from Apple Computer, Inc.
Mac OS v. 9.0.4 on PowerPC
Free/total memory: 18893835/22635648

java.lang.NoSuchMethodError
at java.io.ObjectInputStream.readObject(Compiled Code)
at
at java.io.ObjectInputStream.inputObject(ObjectInputS tream.java)
at java.io.ObjectInputStream.readObject(Compiled Code)
at
at com.sun.java.util.collections.TreeMap.buildFromSor ted(TreeMap.java:1578)
at com.sun.java.util.collections.TreeMap.buildFromSor ted(TreeMap.java:1561)
at com.sun.java.util.collections.TreeMap.buildFromSor ted(TreeMap.java:1593)
at com.sun.java.util.collections.TreeMap.buildFromSor ted(TreeMap.java:1561)
at com.sun.java.util.collections.TreeMap.buildFromSor ted(TreeMap.java:1519)
at com.sun.java.util.collections.TreeMap.readObject(T reeMap.java:1465)
at java.io.ObjectInputStream.inputObject(ObjectInputS tream.java)
at java.io.ObjectInputStream.readObject(Compiled Code)
at java.io.ObjectInputStream.defaultReadObject(Object InputStream.java)
at java.io.ObjectInputStream.inputObject(ObjectInputS tream.java)
at java.io.ObjectInputStream.readObject(Compiled Code)
at
at com.limegroup.gnutella.downloader.ManagedDownloade r.readObject(Unknown Source)
at java.io.ObjectInputStream.inputObject(ObjectInputS tream.java)
at java.io.ObjectInputStream.readObject(Compiled Code)
at
at com.sun.java.util.collections.ArrayList.readObject (ArrayList.java:532)
at java.io.ObjectInputStream.inputObject(ObjectInputS tream.java)
at java.io.ObjectInputStream.readObject(Compiled Code)
at com.limegroup.gnutella.DownloadManager.readSnapsho t(Compiled Code)
at com.limegroup.gnutella.DownloadManager.postGuiInit (Unknown Source)
at com.limegroup.gnutella.RouterService.postGuiInit(U nknown 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)