if (((seqNumber <= 0) || (seqNumber > (activeTrain.getTransit().getMaxSequence()))) && (seqNumber != -99)) {
            if (showErrorMessages) {
                JmriJOptionPane.showMessageDialog(frame, java.text.MessageFormat.format(Bundle.getMessage(
                        "Error19"), new Object[]{"" + seqNumber, activeTrain.getActiveTrainName()}), Bundle.getMessage("ErrorTitle"),
                        JmriJOptionPane.ERROR_MESSAGE);