Getting "Unknown error" message displayed in Dashboard Design 4.0 using Query
browser like below when trying to fetch data from BW cube.

from fiddler2, i get the following error:
<?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="soapenv:ClientThe" _mce_href="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Body><soapenv:Fault><faultcode>soapenv:Client</faultcode><faultstring>The">http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Body><soapenv:Fault><faultcode>soapenv:Client</faultcode><faultstring>The endpoint reference (EPR) for the Operation not found is http://cnssapbod:8080/dswsbobje/services/XcelsiusWebServices and the WSA Action = http://www.sap.com/xcelsius/ws/getQuerySpecParametersWithDepInfo/11</faultstring><detail><Exception>org.apache.axis2.AxisFault: The endpoint reference (EPR) for the Operation not found is http://cnssapbod:8080/dswsbobje/services/XcelsiusWebServices and the WSA Action = http://www.sap.com/xcelsius/ws/getQuerySpecParametersWithDepInfo/11
at org.apache.axis2.engine.DispatchPhase.checkPostConditions(DispatchPhase.java:86)
at org.apache.axis2.engine.Phase.invoke(Phase.java:308)
at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:212)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:132)
at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:120)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.businessobjects.dsws.wsc.common.http.GenerateSessionIDFilter.doFilter(GenerateSessionIDFilter.java:33)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.businessobjects.sdk.actionfilter.WorkflowFilter.doFilter(WorkflowFilter.java:45)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.businessobjects.dsws.wsc.common.axis.FlashFilter.doFilter(FlashFilter.java:45)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:735)
</Exception></detail></soapenv:Fault></soapenv:Body></soapenv:Envelope>
any help on this?