java.lang.IllegalArgumentException: delete
	at org.netbeans.modules.apisupport.project.ui.SuiteActions.isActionEnabled(SuiteActions.java:115)
	at org.netbeans.modules.project.ui.ProjectTab$DelegatingAction.updateIsEnabled(ProjectTab.java:588)
	at org.netbeans.modules.project.ui.ProjectTab$DelegatingAction.propertyChange(ProjectTab.java:596)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:338)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:275)
	at org.openide.explorer.ExplorerManager$2.run(ExplorerManager.java:770)
	at org.openide.util.Mutex.doEvent(Mutex.java:1126)
	at org.openide.util.Mutex.readAccess(Mutex.java:252)
	at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:767)
	at org.openide.explorer.ExplorerManager.access$600(ExplorerManager.java:52)
	at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.updateSelection(ExplorerManager.java:242)
	at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.run(ExplorerManager.java:247)
	at org.openide.util.Mutex.readAccess(Mutex.java:261)
	at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:253)
	at org.openide.explorer.ExplorerManager$1SetExploredContextAndSelection.run(ExplorerManager.java:328)
	at org.openide.util.Mutex.readAccess(Mutex.java:261)
	at org.openide.explorer.ExplorerManager.setExploredContextAndSelection(ExplorerManager.java:347)
	at org.openide.explorer.view.BeanTreeView.selectionChanged(BeanTreeView.java:97)
	at org.openide.explorer.view.TreeView.callSelectionChanged(TreeView.java:700)
	at org.openide.explorer.view.TreeView$TreePropertyListener.run(TreeView.java:1231)
	at org.openide.util.Mutex.postRequest(Mutex.java:1087)
	at org.openide.util.Mutex.postReadRequest(Mutex.java:440)
	at org.openide.explorer.view.TreeView$TreePropertyListener.valueChanged(TreeView.java:1201)
	at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(DefaultTreeSelectionModel.java:629)
	at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(DefaultTreeSelectionModel.java:1078)
	at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(DefaultTreeSelectionModel.java:287)
	at javax.swing.JTree.setSelectionPaths(JTree.java:1643)
	at javax.swing.JTree.setSelectionRows(JTree.java:1716)
	at javax.swing.JTree.setSelectionRow(JTree.java:1691)
	at org.openide.explorer.view.TreeView$PopupAdapter.showPopup(TreeView.java:1266)
	at org.openide.awt.MouseUtils$PopupMouseAdapter.maybePopup(MouseUtils.java:152)
	at org.openide.awt.MouseUtils$PopupMouseAdapter.mousePressed(MouseUtils.java:143)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:222)
	at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:221)
	at java.awt.Component.processMouseEvent(Component.java:5918)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3322)
	at java.awt.Component.processEvent(Component.java:5686)
	at java.awt.Container.processEvent(Container.java:1967)
	at java.awt.Component.dispatchEventImpl(Component.java:4360)
	at java.awt.Container.dispatchEventImpl(Container.java:2025)
	at java.awt.Component.dispatchEvent(Component.java:4194)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4229)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3890)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3823)
	at java.awt.Container.dispatchEventImpl(Container.java:2011)
	at java.awt.Window.dispatchEventImpl(Window.java:2012)
	at java.awt.Component.dispatchEvent(Component.java:4194)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:592)
[catch] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:270)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:198)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:171)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:166)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:158)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:119)