EM cannot find reports configuration: Error in InitializeData for Reports Basic Config

Hi all,

if we want to check basic configuartion via EM (11g) then we get the following error. How can we solve the issue?

Error in InitializeData for Reports Basic Config

oracle.sysman.emai.model.reports.ReportsBasicConfigModel

Error in InitializeData for Reports Basic Config:

oracle.sysman.emSDK.app.exception.EMSystemException
at oracle.sysman.emas.sdk.model.jmx.JMXUtil.queryObjectName(JMXUtil.java:384)
at oracle.sysman.emai.model.reports.ReportsUtility.getReportsConfigMbean(ReportsUtility.java:252)
at oracle.sysman.emai.model.reports.ReportsBasicConfigModel.initDataFromMbeans(ReportsBasicConfigModel.java:162)
at oracle.sysman.emai.model.reports.ReportsBasicConfigModel.initializeData(ReportsBasicConfigModel.java:72)
at oracle.sysman.core.model.util.ModelUtil$EMObjectResetter.initOrResetEMObject(ModelUtil.java:319)