mkisofs error: no such file or directory

I downloaded the -current ISO from here: http://bear.alienbase.nl/mirrors/sla...4-current-iso/

When I use
Code:bash-4.2$ mkisofs -o /tmp/slack14/slackware64-current-install-dvd.iso \
> -R -J -A "Slackware Install" \
> -hide-rr-moved \
> -v -d -N \
> -no-emul-boot -boot-load-size 4 -boot-info-table \
> -sort isolinux/iso.sort \
> -b isolinux/isolinux.bin \
> -c isolinux/isolinux.boot \
> -eltorito-alt-boot -no-emul-boot -eltorito-platform 0xEF \
> -eltorito-boot isolinux/efiboot.img \
> -m 'source' \
> -V "SlackDVD" .I get this error:
Quote:

mkisofs: No such file or directory. Can't open sort file list isolinux/iso.sort

Code:bash-4.2# less /mnt/tmp_iso/isolinux/iso.sort

isolinux 100
isolinux/isolinux.bin 200
kernels 50I don't know why this occurs. What is wrong?