java.lang.IllegalStateException: The data object
MasterFileObject@15f9d52[E:/Projects/Crap/MobileApplication1/src/ma1/VisualMIDlet.java]
is invalid; you may not call getNodeDelegate on it any more; see #17020 and
please fix your code
	at org.openide.loaders.DataObject.getNodeDelegate(DataObject.java:245)
	at
org.netbeans.modules.mobility.editor.pub.J2MEDataObject$J2MEEditor.initialize(J2MEDataObject.java:354)
	at
org.netbeans.modules.mobility.editor.pub.J2MEDataObject$J2MEEditor.<init>(J2MEDataObject.java:333)
	at
org.netbeans.modules.mobility.editor.pub.J2MEDataObject$J2MEEditorSupport.createCloneableEditor(J2MEDataObject.java:315)
	at
org.openide.text.CloneableEditorSupport.createPane(CloneableEditorSupport.java:983)
	at
org.openide.text.CloneableEditorSupport.createCloneableTopComponent(CloneableEditorSupport.java:976)
	at
org.openide.windows.CloneableOpenSupport.openCloneableTopComponent(CloneableOpenSupport.java:175)
	at org.openide.windows.CloneableOpenSupport$1.run(CloneableOpenSupport.java:76)
	at org.openide.util.Mutex.doEvent(Mutex.java:1181)
	at org.openide.util.Mutex.writeAccess(Mutex.java:376)
	at org.openide.windows.CloneableOpenSupport.open(CloneableOpenSupport.java:73)
	at org.openide.text.CloneableEditorSupport.open(CloneableEditorSupport.java:392)
	at org.openide.actions.OpenAction.performAction(OpenAction.java:59)
	at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:559)
	at
org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:55)
	at
org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:555)
	at
org.netbeans.modules.project.ui.ProjectUtilities$3.run(ProjectUtilities.java:257)
	at org.openide.util.Mutex.doEvent(Mutex.java:1181)
	at org.openide.util.Mutex.writeAccess(Mutex.java:376)
	at
org.netbeans.modules.project.ui.ProjectUtilities.openAndSelectNewObject(ProjectUtilities.java:249)
	at org.netbeans.modules.project.ui.actions.NewFile.doPerform(NewFile.java:150)
	at org.netbeans.modules.project.ui.actions.NewFile.access$200(NewFile.java:58)
	at
org.netbeans.modules.project.ui.actions.NewFile$PopupListener.actionPerformed(NewFile.java:319)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1170)
	at
javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1211)
	at java.awt.Component.processMouseEvent(Component.java:6038)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
	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(Container.java:4322)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.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)
[catch] 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)