Collaboration Room's Disscussion

dear friends,

i am getting the below error when click on 'Start Discussion'

System Error

An exception occurred during the program execution. Below you will find technical information pertaining to this exception that you might want to forward to your system administrator.

Exception Class

Exception Message

Call Stack com.sapportals.wdf.WdfException: com.sapportals.wcm.WcmException

at com.sapportals.wcm.rendering.screenflow.cm.StartDiscussionScreenflow.execute(StartDiscussionScreenflow.java:108)

at com.sapportals.wcm.rendering.uicommand.cm.UIStartDiscussionCommand.execute(UIStartDiscussionCommand.java:79)

at com.sapportals.wcm.rendering.control.cm.MenuBarControl.onExecute(MenuBarControl.java:362)

at java.lang.reflect.Method.invoke(Native Method)

at com.sapportals.wdf.stack.Control.dispatchHtmlbEvent(Control.java:378)

at com.sapportals.wdf.WdfEventDispatcher.dispatch(WdfEventDispatcher.java:175)

at com.sapportals.wdf.BaseDynPage.onWdfEvent(BaseDynPage.java:131)

at java.lang.reflect.Method.invoke(Native Method)

at com.sapportals.htmlb.page.DynPage.doProcessCurrentEvent(DynPage.java:172)

at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:101)

at com.sapportals.htmlb.page.PageProcessorServlet.handleRequest(PageProcessorServlet.java:62)

at com.sapportals.htmlb.page.PageProcessorServlet.doPost(PageProcessorServlet.java:23)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.sapportals.wcm.app.servlet.WcmHtmlbBaseServlet.service(WcmHtmlbBaseServlet.java:81)

at com.sapportals.wcm.portal.proxy.PCProxyServlet.service(PCProxyServlet.java:285)

at com.sapportals.portal.prt.core.broker.ServletComponentItem$ServletWrapperComponent.doContent(ServletComponentItem.java:110)

at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)

at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)

at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:300)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:190)

at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:209)

at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:576)

at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:300)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)

at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:190)

at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:669)

at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:208)

at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:532)

at java.security.AccessController.doPrivileged(Native Method)

at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)

at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:833)

at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:665)

at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:312)

at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)

at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1229)

at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)

at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)

at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)

at java.security.AccessController.doPrivileged(Native Method)

at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)

can anybody locate the error and find the solution

thanx in advance

regards

kantha