com.sap.dictionary.runtime.DdException: 'WD_FLIGHTLIST_RFC_METADATA_DEST

Hi, finally i obtain the correct configuration in jco destination, i press in test and work, the test is satisfactory..... but when i start the application appear this error: "com.sap.dictionary.runtime.DdException: 'WD_FLIGHTLIST_RFC_METADATA_DEST' not properly defined! Unable to create Metadata connection for Dictionary Provider. Either the logical System Name 'WD_FLIGHTLIST_RFC_METADATA_DEST' has not been properly defined in the System Landscape Directory, or you are not using a MsgServerDestination (AppServerDestinations are not permitted for Metadata connections)"

What happend?

Thanks,