Publishing powerCube Error

[Volcano]

Hello ,

I am getting the following error, when I try to  publish PowerCube  


(DPR-ERR-2065)The response from Report Server is not well formed.


Error Details
Handler trace back: [the_dispatcher] com.cognos.pogo.handlers.performance.PerformanceIndicationHandler [the_dispatcher] com.cognos.pogo.handlers.logic.ChainHandler [service_lookup] com.cognos.pogo.handlers.engine.ServiceLookupHandler [load_balancer] com.cognos.pogo.handlers.logic.ChainHandler [lb_forwarder] com.cognos.p2plb.clerver.LoadBalanceHandler [metadataservicechain] com.cognos.pogo.handlers.logic.ChainHandler [reportservicechain] com.cognos.pogo.handlers.logic.ChainHandler [warp_with_authenticate] com.cognos.pogo.handlers.logic.ChainHandler [do_warp] com.cognos.pogo.handlers.logic.ChainHandler [warpmta] com.cognos.pogo.reportservice.ReportServerHandler


Any help I will be appreciated ,
thanks and best regards