[catch]java.lang.IllegalStateException: Warning - the node "default language" [org.netbeans.modules.properties.PropertiesLocaleNode] is trying to fire the property modified which is not included in its property sets. This is illegal. See IZ #31413 for details.
        at org.openide.nodes.Node.firePropertyChange(Node.java:851)
        at org.netbeans.modules.properties.FileEntryNode.fireChange(FileEntryNode.java:206)
        at org.netbeans.modules.properties.FileEntryNode$PropL.propertyChange(FileEntryNode.java:217)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:131)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:333)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:270)
        at org.netbeans.modules.properties.PresentableFileEntry.firePropertyChange(PresentableFileEntry.java:294)
        at org.netbeans.modules.properties.PresentableFileEntry.setModified(PresentableFileEntry.java:231)
        at org.netbeans.modules.properties.PropertiesEditorSupport$Environment.markModified(PropertiesEditorSupport.java:528)
        at org.openide.text.CloneableEditorSupport.notifyModified(CloneableEditorSupport.java:1349)
        at org.netbeans.modules.properties.PropertiesEditorSupport.notifyModified(PropertiesEditorSupport.java:209)
        at org.openide.text.CloneableEditorSupport.callNotifyModified(CloneableEditorSupport.java:1330)
        at org.openide.text.CloneableEditorSupport.access$1300(CloneableEditorSupport.java:79)
        at org.openide.text.CloneableEditorSupport$Listener.insertUpdate(CloneableEditorSupport.java:2000)
        at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:184)
        at org.netbeans.editor.BaseDocument.fireInsertUpdate(BaseDocument.java:1121)
        at org.netbeans.editor.BaseDocument.insertString(BaseDocument.java:600)
        at javax.swing.text.AbstractDocument.replace(AbstractDocument.java:673)
        at javax.swing.text.JTextComponent.replaceSelection(JTextComponent.java:1099)
        at javax.swing.JEditorPane.replaceSelection(JEditorPane.java:1065)
        at javax.swing.plaf.basic.BasicTextUI$TextTransferHandler.handleReaderImport(BasicTextUI.java:2245)
        at javax.swing.plaf.basic.BasicTextUI$TextTransferHandler.importData(BasicTextUI.java:2350)
        at javax.swing.TransferHandler$TransferAction.actionPerformed(TransferHandler.java:846)
        at javax.swing.text.JTextComponent.invokeAction(JTextComponent.java:1233)
        at javax.swing.text.JTextComponent.paste(JTextComponent.java:1211)
        at org.netbeans.editor.BaseKit$PasteAction.actionPerformed(BaseKit.java:1339)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:182)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1571)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2730)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2765)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2693)
        at java.awt.Component.processEvent(Component.java:5265)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3955)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1810)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:668)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:916)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:794)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:632)
        at java.awt.Component.dispatchEventImpl(Component.java:3841)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Window.dispatchEventImpl(Window.java:1766)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
        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)