Illarion.org

the client kicks me out with a message saying A Technical Problem has occured, check logfile for details

This is written in the logfile:

Illarion Client V1.00 started Sun Mar 16 13:42:43 CST 2008
VM: 1.6.0_05
OS: Windows 2003 5.2
java.lang.IllegalArgumentException: undefined id 25
at illarion.client.c.t.b(Unknown Source)
at illarion.client.c.t.a(Unknown Source)
at illarion.client.g.g.run(Unknown Source)
Exception in thread "Illarion input thread" java.lang.IllegalStateException: From thread Thread[Illarion input thread,5,javawsApplicationThreadGroup]: Thread[javawsApplicationMain,5,javawsApplicationThreadGroup] already has the context current
at org.lwjgl.opengl.Context.checkAccess(Context.java:181)
at org.lwjgl.opengl.Context.forceDestroy(Context.java:244)
at org.lwjgl.opengl.Display.destroyContext(Display.java:799)
at org.lwjgl.opengl.Display.destroy(Display.java:779)
at illarion.client.IllaClient.d(Unknown Source)
at illarion.client.IllaClient.a(Unknown Source)
at illarion.client.g.g.run(Unknown Source)
java.lang.IllegalStateException: Display not created
at org.lwjgl.opengl.Display.update(Display.java:575)
at illarion.client.f.b.e(Unknown Source)
at illarion.client.f.b.c(Unknown Source)
at illarion.client.IllaClient.<init>(Unknown Source)
at illarion.client.IllaClient.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Fatal error: A technical problem has occurred.
Check logfiles for details.
Terminating client!

This problem can appear before i log in, or any time when playing.

Thank you for the information.