Got exception when close on tab in run window

I lunched two applets. Then I closed both of them. When I trid to close one of them in the run tab, I got the following exception.

2002-11-13 19:52:27,748 ERROR - com.intellij.ide.IdeEventQueue - Error during dispatching of java.awt.event.InvocationEvent[INVOCATION_DEFAULT,runnable=com.intellij.execution.bh@1203121,notifier=null,catchExceptions=false,when=1037188347728] on sun.awt.windows.WToolkit@797549
2002-11-13 19:52:27,748 ERROR - com.intellij.ide.IdeEventQueue - IntelliJ IDEA 3.0 Build #676
2002-11-13 19:52:27,748 ERROR - com.intellij.ide.IdeEventQueue - JDK: 1.4.1_01
2002-11-13 19:52:27,748 ERROR - com.intellij.ide.IdeEventQueue - VM: Java HotSpot(TM) Client VM
2002-11-13 19:52:27,748 ERROR - com.intellij.ide.IdeEventQueue - Vendor: Sun Microsystems Inc.
2002-11-13 19:52:27,748 ERROR - com.intellij.ide.IdeEventQueue - OS: Windows 2000
2002-11-13 19:52:27,768 ERROR - com.intellij.ide.IdeEventQueue -
java.lang.ArrayIndexOutOfBoundsException: 1 >= 1

at java.util.Vector.removeElementAt(Unknown Source)

at javax.swing.plaf.basic.BasicTabbedPaneUI$ContainerHandler.componentRemoved(Unknown Source)

at java.awt.AWTEventMulticaster.componentRemoved(Unknown Source)

at java.awt.AWTEventMulticaster.componentRemoved(Unknown Source)

at java.awt.AWTEventMulticaster.componentRemoved(Unknown Source)

at java.awt.Container.processContainerEvent(Unknown Source)

at java.awt.Container.processEvent(Unknown Source)

at java.awt.Component.dispatchEventImpl(Unknown Source)

at java.awt.Container.dispatchEventImpl(Unknown Source)

at java.awt.Component.dispatchEvent(Unknown Source)

at java.awt.Container.remove(Unknown Source)

at javax.swing.JTabbedPane.setComponentAt(Unknown Source)

at com.intellij.ui.cz.a(cz.java:93)

at com.intellij.ide.cy.propertyChange(cy.java:37)

at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)

at com.intellij.ide.v.a(v.java:39)

at com.intellij.execution.by.a(by.java:18)

at com.intellij.execution.by.a(by.java:77)

at com.intellij.execution.i.o.a(o.java:10)

at com.intellij.execution.t.run(t.java:1)

at com.intellij.execution.bh.run(bh.java:2)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at com.intellij.ide.q.a(q.java:93)

at com.intellij.ide.q.dispatchEvent(q.java:61)

at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)