Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 4 >= 4
        at java.util.Vector.elementAt(Vector.java:477)
        at javax.swing.table.DefaultTableColumnModel.getColumn(DefaultTableColumnModel.java:294)
        at javax.swing.plaf.basic.BasicTableUI.paintGrid(BasicTableUI.java:1973)
        at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1809)
        at javax.swing.plaf.ComponentUI.update(ComponentUI.java:161)
        at javax.swing.JComponent.paintComponent(JComponent.java:780)
        at javax.swing.JComponent.paint(JComponent.java:1056)
        at javax.swing.JComponent.paintToOffscreen(JComponent.java:5210)
        at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:290)
        at javax.swing.RepaintManager.paint(RepaintManager.java:1272)
        at javax.swing.JComponent._paintImmediately(JComponent.java:5158)
        at javax.swing.JComponent.paintImmediately(JComponent.java:4969)
        at javax.swing.RepaintManager$4.run(RepaintManager.java:831)
        at javax.swing.RepaintManager$4.run(RepaintManager.java:814)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:814)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:789)
        at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:738)
        at javax.swing.RepaintManager.access$1200(RepaintManager.java:64)
        at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1732)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
        at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
        at java.awt.EventQueue.access$500(EventQueue.java:97)
        at java.awt.EventQueue$3.run(EventQueue.java:709)
        at java.awt.EventQueue$3.run(EventQueue.java:703)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)