java.lang.ArrayIndexOutOfBoundsException: 1
        at org.openide.util.lookup.ProxyLookup$R.lookupChange(ProxyLookup.java:407)
        at org.openide.util.lookup.ProxyLookup.setLookups(ProxyLookup.java:187)
        at org.netbeans.modules.project.ui.actions.LookupSensitiveAction$LastActivatedWindowLookup.updateLookups(LookupSensitiveAction.java:218)
        at org.netbeans.modules.project.ui.actions.LookupSensitiveAction$LastActivatedWindowLookup.propertyChange(LookupSensitiveAction.java:223)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
        at org.netbeans.core.windows.RegistryImpl.tryFireChanges(RegistryImpl.java:297)
        at org.netbeans.core.windows.RegistryImpl.selectedNodesChanged(RegistryImpl.java:233)
        at org.netbeans.core.windows.RegistryImpl.topComponentActivated(RegistryImpl.java:170)
        at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:984)
        at org.netbeans.core.windows.Central.setActiveMode(Central.java:234)
        at org.netbeans.core.windows.Central.userActivatedMode(Central.java:1791)
        at org.netbeans.core.windows.view.DefaultView.userActivatedModeView(DefaultView.java:620)
        at org.netbeans.core.windows.view.ui.TabbedHandler$ActivationManager.handleActivation(TabbedHandler.java:486)
        at org.netbeans.core.windows.view.ui.TabbedHandler$ActivationManager.eventDispatched(TabbedHandler.java:433)
        at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2360)
        at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2252)
        at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2251)
        at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2210)
        at java.awt.Component.dispatchEventImpl(Component.java:4370)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4302)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3983)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916)
        at java.awt.Container.dispatchEventImpl(Container.java:2102)
        at java.awt.Window.dispatchEventImpl(Window.java:2440)
        at java.awt.Component.dispatchEvent(Component.java:4302)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)