EPQA ERROR

Hi All

We have refresh all the EPQA settings in backend system. I am selected overview in ESS home page i got error is below. Please find out the error and give me solution.

com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: ComponentUsage(FPMConfigurationUsage): Active component must exist when getting interface controller. (Hint: Have you forgotten to create it with createComponent()? Should the lifecycle control of the component usage be "createOnDemand"?