Start up Error log in Analytic Engine in wm711

Hi,
The AE log is getting filled up with the following error after start up.
Please hlep me out.

b [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: Error sending context com.dante.analysis.action.template.context.ActionContextImpl@1b83790e
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: java.rmi.UnmarshalException: java.io.IOException: no argument constructor is missing. java.lang.NullPointerException[/b]
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at electric.soap.wsdl.SOAPOperation.readResponse(SOAPOperation.java:457)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at electric.soap.java.reference.JavaToSOAP.invoke(JavaToSOAP.java:259)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at electric.soap.java.reference.JavaToSOAP.invoke(JavaToSOAP.java:187)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at electric.proxy.handler.Proxy.invoke(Proxy.java:250)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at com.dante.analysis.action.WebServiceAction.executeAction(WebServiceAction.java:212)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at com.dante.analysis.action.ActionInvocation.run(ActionInvocation.java:23)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at java.util.concurrent.FutureTask.run(FutureTask.java:123)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
(OPTIMIZE) [Analytic Engine v7.1.0.0.com.dante.analysis.action.WebServiceAction.wsActionInvokeAction] 2008-10-06 01:11:21.685 CEST ERROR: at java.lang.Thread.run(Thread.java:595)