ORA-16016
        archived log for thread string sequence# string unavailable
        
        
        Cause
        Redo apply timed out waiting for the requested archived log file.
        Action
        Verify that the primary database is still archiving redo data to the standby database and reissue the RECOVER STANDBY DATABASE command.
        
     
    
    
        ORA-16016
        archived log for thread string sequence# string unavailable
        
        
        Cause
        Redo apply timed out waiting for the requested archived log file.
        Action
        Verify that the primary database is still archiving redo data to the standby database and reissue the RECOVER STANDBY DATABASE command.
        
     
    
    
        ORA-16016
        archived log for thread string sequence# string unavailable
        
        
        Cause
        Redo apply timed out waiting for the requested archived log file.
        Action
        Verify that the primary database is still archiving redo data to the standby database and reissue the RECOVER STANDBY DATABASE command.