#fixed code
                                private int getPlayerDropTransferTarget(LWCPlayer player) {
        Mode mode = player.getMode("dropTransfer");

        if (mode == null) {
            return -1;
        }

        String target = mode.getData();

        try {
            return Integer.parseInt(target);
        } catch (NumberFormatException e) {
        }

        return -1;
    }
#vulnerable code 
                                private int getPlayerDropTransferTarget(LWCPlayer player) {
        Mode mode = player.getMode("dropTransfer");
        String target = mode.getData();

        try {
            return Integer.parseInt(target);
        } catch (NumberFormatException e) {
        }

        return -1;
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE