2.) Also occurs when you try to create a new table and then try to add a new extended property. When you hit enter and try to create new rows, it gives the same exception

java.lang.NullPointerException

        at \\...\\ .\\हिñçêČάй語简??한\\.rꏄᛜ⣄̫ default default.mM(Unknown Source)

        at \\...\\ .\\हिñçêČάй語简??한\\.rꏄᛜ⣄̫ default default.a(Unknown Source)

        at \\...\\ .\\हिñçêČάй語简??한\\.Cꊉꉿᛑ̷ long.valueChanged(Unknown Source)

        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:923)

        at javax.swing.plaf.basic.BasicTableUI$Handler.mouseReleased(BasicTableUI.java:1136)

        at javax.swing.plaf.basic.BasicTableUI$MouseInputHandler.mouseReleased(BasicTableUI.java:772)

        at com.jidesoft.swing.DelegateMouseInputListener.mouseReleased(Unknown Source)

        at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)

        at java.awt.Component.processMouseEvent(Component.java:6382)

        at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)

        at java.awt.Component.processEvent(Component.java:6147)

        at java.awt.Container.processEvent(Container.java:2083)

        at java.awt.Component.dispatchEventImpl(Component.java:4744)

        at java.awt.Container.dispatchEventImpl(Container.java:2141)

        at java.awt.Component.dispatchEvent(Component.java:4572)

        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4619)

        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4280)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4210)

        at java.awt.Container.dispatchEventImpl(Container.java:2127)

        at java.awt.Window.dispatchEventImpl(Window.java:2489)

        at java.awt.Component.dispatchEvent(Component.java:4572)

        at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:710)

        at java.awt.EventQueue.access$400(EventQueue.java:82)

        at java.awt.EventQueue$2.run(EventQueue.java:669)

        at java.awt.EventQueue$2.run(EventQueue.java:667)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)

        at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)

        at java.awt.EventQueue$3.run(EventQueue.java:683)

        at java.awt.EventQueue$3.run(EventQueue.java:681)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)

        at java.awt.EventQueue.dispatchEvent(EventQueue.java:680)

        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)

        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)

        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)