still error in service listing manager....

Msg 6522, Level 16, State 1, Procedure ssb_create_certificate_from_blob, Line 0
A .NET Framework error occurred during execution of user defined routine or aggregate 'ssb_create_certificate_from_blob':
System.Data.SqlClient.SqlException: A certificate with name 'CMA_sbuser' already exists or this certificate already has been added to the database.System.Data.SqlClient.SqlException: at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.SqlInternalConnectionSmi.EventSink.ProcessMessagesAndThrow(Boolean ignoreNonFatalMessages)
at Microsoft.SqlServer.Server.SmiEventSink_Default.ProcessMessagesAndThrow(Boolean ignoreNonFatalMessages)
at System.Data.SqlClient.SqlCommand.RunExecuteNonQuerySmi(Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
at Microsoft.SqlServiceBroker.Samples.CertificatesBlob.CertificatesBlob.ssb_create_certificate_from_blob(SqlString databaseName, SqlString certificateName, SqlString authorizationUser, SqlBinary certificateBody)

Help is greatly appreciated....

Thanks,

Pramod