java.lang.ArrayIndexOutOfBoundsException: 1 >= 1

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java.lang.ArrayIndexOutOfBoundsException: 1 >= 1
at java.util.Vector.elementAt(Vector.java:412)
at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:347)
at javax.swing.plaf.basic.BasicTabbedPaneUI$MouseHandler.mousePressed(BasicTabbedPaneUI.java:1817)
at java.awt.Component.processMouseEvent(Component.java:3707)
at java.awt.Component.processEvent(Component.java:3539)
at java.awt.Container.processEvent(Container.java:1159)
at java.awt.Component.dispatchEventImpl(Component.java:2588)
at java.awt.Container.dispatchEventImpl(Container.java:1208)
at java.awt.Component.dispatchEvent(Component.java:2492)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2446)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2205)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2120)
at java.awt.Container.dispatchEventImpl(Container.java:1195)
at java.awt.Window.dispatchEventImpl(Window.java:921)
at java.awt.Component.dispatchEvent(Component.java:2492)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:334)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:126)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:88)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:80)

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