org.openide.util.RequestProcessor$Holder: Posted StackTrace(task org.netbeans.core.ModuleActions$1@17de7e6 [-1796, 1, -1])
        at org.openide.util.RequestProcessor$Holder.fillInStackTrace(RequestProcessor.java:300)
        at java.lang.Throwable.<init>(Throwable.java:195)
        at java.lang.Exception.<init>(Exception.java:41)
        at org.openide.util.RequestProcessor$Holder.<init>(RequestProcessor.java:280)
        at org.openide.util.RequestProcessor$Task.createHolder(RequestProcessor.java:333)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:100)
        at org.openide.util.RequestProcessor.post(RequestProcessor.java:73)
        at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:123)
        at sun.reflect.GeneratedMethodAccessor665.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.openide.actions.PasteAction.invokeAction(PasteAction.java:247)
        at org.openide.actions.PasteAction$ActSubMenuModel.performActionAt(PasteAction.java:196)
        at org.openide.awt.Actions$SubMenuBridge$ISubActionListener.actionPerformed(Actions.java:716)
        at org.openide.awt.Actions$SubMenu.doClick(Actions.java:1061)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1092)
[catch] at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(BasicMenuItemUI.java:932)
        at java.awt.Component.processMouseEvent(Component.java:5032)
        at java.awt.Component.processEvent(Component.java:4829)
        at java.awt.Container.processEvent(Container.java:1380)
        at java.awt.Component.dispatchEventImpl(Component.java:3537)
        at java.awt.Container.dispatchEventImpl(Container.java:1437)
        at java.awt.Component.dispatchEvent(Component.java:3378)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3226)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2941)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2871)
        at java.awt.Container.dispatchEventImpl(Container.java:1423)
        at java.awt.Window.dispatchEventImpl(Window.java:1566)
        at java.awt.Component.dispatchEvent(Component.java:3378)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:445)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:190)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)
==>
java.lang.IllegalArgumentException: No element of a node selection may be null.
        at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:146)
        at org.netbeans.modules.form.ComponentInspector.setSelectedNodes(ComponentInspector.java:273)
        at org.netbeans.modules.form.FormDesigner.updateActivatedNodes(FormDesigner.java:202)
        at org.netbeans.modules.form.FormDesigner.setSelectedComponent(FormDesigner.java:357)
        at org.netbeans.modules.form.MetaComponentCreator.addMenuComponent(MetaComponentCreator.java:919)
        at org.netbeans.modules.form.MetaComponentCreator.copyComponent(MetaComponentCreator.java:137)
        at org.netbeans.modules.form.CopySupport$RADPaste.paste(CopySupport.java:145)
        at org.openide.actions.PasteAction.performAction(PasteAction.java:100)
        at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:69)
        at org.netbeans.core.ModuleActions$1.run(ModuleActions.java:105)
        at org.openide.util.Task.run(Task.java:152)
[catch] at org.openide.util.RequestProcessor$ProcessorThread.run(RequestProcessor.java:622)