I am getting the following exception message in my WPS server log. can any o
ne please guide me why this occurs..

FYI- I have upgraded the server from WPS4 to WPS5.

2005.09.21 15:01:26.404 E com.ibm.wps.pe.pc.legacy.event.EventQueueManager p
rocessEventLoop
PEPC1036E: Unable to find event - StackTrace follows...

2005.09.21 15:01:26.404 E com.ibm.wps.pe.pc.legacy.event.EventQueueManager p
rocessEventLoop
javax.portlet.PortletException
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.callPortletMethod(PortletCo
ntainerImpl.java(Compiled Code))
at com.ibm.wps.pe.pc.legacy.EventEnvironmentImpl.includePortlet(EventEnviron
mentImpl.java:191)
at com.ibm.wps.pe.pc.legacy.event.ActionEventImpl.prepare(ActionEventImpl.ja
va:121)
at com.ibm.wps.pe.pc.legacy.event.EventQueueManager.processEventLoop(EventQu
eueManager.java:92)
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.performEventPhase(PortletCo
ntainerImpl.java(Compiled Code))
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.initPage(PortletContainerIm
pl.java(Compiled Code))
at com.ibm.wps.pe.pc.PortletContainerImpl.initPage(PortletContainerImpl.java
(Compiled Code))
at com.ibm.wps.pe.pc.PortletContainer.initPage(PortletContainer.java:148)
at com.ibm.wps.engine.templates.themes.Home.callPortletContainer(Home.java:3
03)
at com.ibm.wps.engine.templates.themes.Home.doPreRender(Home.java:246)
at com.ibm.wps.engine.templates.themes.Default.render(Default.java:67)
at com.ibm.wps.engine.templates.ThemeTemplate.render(ThemeTemplate.java:71)
at com.ibm.wps.engine.Servlet.callPortal(Servlet.java:817)
at com.ibm.wps.engine.Servlet.doGet(Servlet.java:484)
at com.ibm.wps.engine.Servlet.doPost(Servlet.java:848)

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