Solution for Weblogic Assertion Error?

Hi there..
I am getting the following Exception when I try to deploy my bean named Forum in weblogic6.1. I was able to clear all the descriptor/exception related errors and I am unable to clear this error. Anybody came accross the similar error?
ERROR MESSAGE FOLLOWS.....
<Sep 30, 2001 2:39:09 PM IST> <Error> <Management> <InvocationTargetException setting attribute Deployed on MBean hurricane:Location=tempest,Name=Forum,Type=ApplicationConfig to value true. Method: public void weblogic.management.mbeans.custom.Application.setDeployed(boolean) throws weblogic.management.DeploymentException,weblogic.management.UndeploymentException
weblogic.utils.AssertionError: ***** ASSERTION FAILED *****[ Deployment Error: java.lang.NoSuchFieldException ]
.................. a lot of messages
and
javax.management.RuntimeErrorException: Error thrown by the setAttribute weblogic.management.internal.WebLogicAttribute@69b824method of the Dynamic MBean
at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1361)
TIA
RC

Please post your queries in the appropriate forum for an appropriate response. Your Present query should be posted in the Weblogic Servers not here.
Thanks.
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Mahindrakar
IBM Application Server Forum Moderator
Consultant - Zensar Technologies ,Pune India.
SCJP2, SCJD2 & SCJEA (Part I)