java.lang.ArrayIndexOutOfBoundsException: 1
        at org.openide.util.lookup.ProxyLookup$R.lookupChange(ProxyLookup.java:393)
        at org.openide.util.lookup.ProxyLookup.setLookups(ProxyLookup.java:187)
        at org.netbeans.modules.project.ui.actions.LookupSensitiveAction$LastActivatedWindowLookup.updateLookups(LookupSensitiveAction.java:218)
        at org.netbeans.modules.project.ui.actions.LookupSensitiveAction$LastActivatedWindowLookup.propertyChange(LookupSensitiveAction.java:223)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270)
        at org.netbeans.core.windows.RegistryImpl.tryFireChanges(RegistryImpl.java:297)
        at org.netbeans.core.windows.RegistryImpl.selectedNodesChanged(RegistryImpl.java:233)
        at org.netbeans.core.windows.RegistryImpl.topComponentActivated(RegistryImpl.java:170)
        at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentActivated(WindowManagerImpl.java:984)
        at org.netbeans.core.windows.Central.setActiveMode(Central.java:234)
        at org.netbeans.core.windows.Central.userActivatedMode(Central.java:1791)
        at org.netbeans.core.windows.view.DefaultView.userActivatedModeView(DefaultView.java:620)
        at org.netbeans.core.windows.view.ui.TabbedHandler$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:2206)
        at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2100)
        at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2099)
        at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:3883)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3889)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)