Java 6 crashes when entering with a character

[xLite]

javax.media.opengl.GLException: haven.GOut$GLException: GL Error: 1280 (invalid enumerant)
at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:271)
at javax.media.opengl.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:410)
at javax.media.opengl.GLCanvas.display(GLCanvas.java:244)
at haven.HavenPanel.uglyjoglhack(HavenPanel.java:384)
at haven.HavenPanel.run(HavenPanel.java:418)
at java.lang.Thread.run(Unknown Source)
Caused by: haven.GOut$GLException: GL Error: 1280 (invalid enumerant)
at haven.GOut.checkerr(GOut.java:84)
at haven.GLState$Applier.apply(GLState.java:470)
at haven.GOut.apply(GOut.java:171)
at ISmoke.draw(ISmoke.java:97)
at haven.RenderList.render(RenderList.java:207)
at haven.RenderList.render(RenderList.java:218)
at haven.PView.draw(PView.java:169)
at haven.MapView.draw(MapView.java:764)
at haven.Widget.draw(Widget.java:479)
at haven.Widget.draw(Widget.java:484)
at haven.GameUI.draw(GameUI.java:395)
at haven.Widget.draw(Widget.java:479)
at haven.Widget.draw(Widget.java:484)
at haven.RootWidget.draw(RootWidget.java:63)
at haven.UI.draw(UI.java:144)
at haven.HavenPanel.redraw(HavenPanel.java:272)
at haven.HavenPanel$1.display(HavenPanel.java:88)
at com.sun.opengl.impl.GLDrawableHelper.display(GLDrawableHelper.java:78)
at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:435)
at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:194)
at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:452)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$400(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

[Procne]

Use search. If you searched for "invalid enumerant" you would find
viewtopic.php?f=10&t=1723&p=20011&hilit=invalid+enumerant#p20011

Update your drivers