Thu Oct 04 11:20:03 CEST 2001: java.lang.IllegalArgumentException: Unknown type of frame or containernull
java.lang.IllegalArgumentException: Unknown type of frame or containernull
        at org.netbeans.core.windows.frames.WindowTypesManager.setDefaultFrame(WindowTypesManager.java:100)
        at org.netbeans.core.windows.UIModeManager.getUIMode(UIModeManager.java:103)
        at org.netbeans.core.windows.layers.WindowManagerData$1.run(WindowManagerData.java:322)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
        at java.awt.Dialog.show(Dialog.java:380)
        at org.netbeans.core.NbPresenter.superShow(NbPresenter.java:573)
        at org.netbeans.core.NbPresenter.run(NbPresenter.java:596)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:872)
        at org.openide.util.Mutex.readAccess(Mutex.java:162)
        at org.netbeans.core.NbPresenter.show(NbPresenter.java:577)
        at java.awt.Component.show(Component.java:946)
        at java.awt.Component.setVisible(Component.java:903)
        at org.netbeans.core.NbTopManager$2.run(NbTopManager.java:524)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:872)
        at org.openide.util.Mutex.readAccess(Mutex.java:162)
        at org.netbeans.core.NbTopManager.notify(NbTopManager.java:503)
        at org.netbeans.core.NotifyException$1.run(NotifyException.java:130)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
        at java.awt.Dialog.show(Dialog.java:380)
        at org.netbeans.core.NbPresenter.superShow(NbPresenter.java:573)
        at org.netbeans.core.NbPresenter.run(NbPresenter.java:596)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:872)
        at org.openide.util.Mutex.readAccess(Mutex.java:162)
        at org.netbeans.core.NbPresenter.show(NbPresenter.java:577)
        at java.awt.Component.show(Component.java:946)
        at java.awt.Component.setVisible(Component.java:903)
        at org.netbeans.core.NbTopManager$2.run(NbTopManager.java:524)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:872)
        at org.openide.util.Mutex.readAccess(Mutex.java:162)
        at org.netbeans.core.NbTopManager.notify(NbTopManager.java:503)
        at org.netbeans.core.NotifyException$1.run(NotifyException.java:130)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)