OneInstance plugin does not work on #650

Somebody see it too? I can't understand what happend:
This is not from OneInstance code.
2002-09-27 20:51:29,448 ERROR - com.intellij.ide.p -
Error during dispatching of
java.awt.event.MouseEvent[MOUSE_RELEASED,(40,561),button=1,modifiers=Button1
,clickCount=1] on dialog0
2002-09-27 20:51:29,448 ERROR - com.intellij.ide.p -
IntelliJ IDEA (Ariadna) 3.0 Build #650
2002-09-27 20:51:29,448 ERROR - com.intellij.ide.p -
JDK: 1.4.0_01
2002-09-27 20:51:29,448 ERROR - com.intellij.ide.p -
VM: Java HotSpot(TM) Client VM
2002-09-27 20:51:29,458 ERROR - com.intellij.ide.p -
Vendor: Sun Microsystems Inc.
2002-09-27 20:51:29,458 ERROR - com.intellij.ide.p -
OS: Windows 2000
2002-09-27 20:51:29,458 ERROR - com.intellij.ide.p -
java.lang.AbstractMethodError
at com.intellij.openapi.options.a.f.a(f.java:99)
at com.intellij.openapi.options.a.a.setSelected(a.java:9)
at
com.intellij.openapi.actionSystem.ToggleAction.actionPerformed(ToggleAction.
java:6)
at com.intellij.openapi.actionSystem.a.x.a(x.java:101)
at com.intellij.openapi.actionSystem.a.x.processMouseEvent(x.java:11)
at java.awt.Component.processEvent(Component.java:4818)
at java.awt.Container.processEvent(Container.java:1525)
at java.awt.Component.dispatchEventImpl(Component.java:3526)
at java.awt.Container.dispatchEventImpl(Container.java:1582)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3359)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3074)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3004)
at java.awt.Container.dispatchEventImpl(Container.java:1568)
at java.awt.Window.dispatchEventImpl(Window.java:1581)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:445)
at com.intellij.ide.p.a(p.java:61)
at com.intellij.ide.p.dispatchEvent(p.java:44)
at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.ja
va:191)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java
:144)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java
:134)
at java.awt.Dialog.show(Dialog.java:524)
at
com.intellij.openapi.ui.DialogWrapper$MyDialog.show(DialogWrapper.java:21)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:228)
at com.intellij.ide.e.de.actionPerformed(de.java:5)
at com.intellij.openapi.actionSystem.a.k.actionPerformed(k.java:4)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1767)
at com.intellij.openapi.actionSystem.a.ba.fireActionPerformed(ba.java:34)
at com.intellij.ui.a.a.n.doClick(n.java:126)
at com.intellij.ui.a.a.n.access$300(n.java:254)
at com.intellij.ui.a.a.o.mouseReleased(o.java:3)
at java.awt.Component.processMouseEvent(Component.java:5021)
at java.awt.Component.processEvent(Component.java:4818)
at java.awt.Container.processEvent(Container.java:1525)
at java.awt.Component.dispatchEventImpl(Component.java:3526)
at java.awt.Container.dispatchEventImpl(Container.java:1582)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3359)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3074)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3004)
at java.awt.Container.dispatchEventImpl(Container.java:1568)
at java.awt.Window.dispatchEventImpl(Window.java:1581)
at java.awt.Component.dispatchEvent(Component.java:3367)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:445)
at com.intellij.ide.p.a(p.java:61)
at com.intellij.ide.p.dispatchEvent(p.java:44)
at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.ja
va:191)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java
:144)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)


Thanks
--
Alexey Efimov, Software Engineer
Sputnik Labs,
http://www.spklabs.com