java.lang.IllegalArgumentException: A node selection cannot contain nodes (08 28, 08 11:44:53 AM) not underneath the root (Version). at org.openide.explorer.ExplorerManager.checkUnderRoot(ExplorerManager.java:573) at org.openide.explorer.ExplorerManager.access$300(ExplorerManager.java:87) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.checkArgumentIsValid(ExplorerManager.java:235) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.run(ExplorerManager.java:277) at org.openide.util.Mutex.readAccess(Mutex.java:362) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:284) at org.openide.explorer.view.OutlineView.callSelectionChanged(OutlineView.java:570) at org.openide.explorer.view.OutlineView.access$500(OutlineView.java:108) at org.openide.explorer.view.OutlineView$TableSelectionListener.valueChanged(OutlineView.java:773) at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:167) at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:137) at javax.swing.DefaultListSelectionModel.setValueIsAdjusting(DefaultListSelectionModel.java:668) at javax.swing.plaf.basic.BasicTableUI$Handler.setValueIsAdjusting(BasicTableUI.java:929) at javax.swing.plaf.basic.BasicTableUI$Handler.mouseReleased(BasicTableUI.java:1140) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272) at java.awt.Component.processMouseEvent(Component.java:6038) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5803) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4410) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2429) at java.awt.Component.dispatchEvent(Component.java:4240) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) 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)