Filenames must be in 8.3 format like MS-DOS file names. There are three methods for fixing file names. By hand Using the ONR option in makedisc. Using Rock Ridge format. Check Directory Depth Check your directory depth.
Directories can only be eight levels deep.
If your directories are nested too deeply, fix them. Using the cdlevel command. Pre-master First, do an mt offline to get CD Studio to an initialized state. Use makedisc to enter options from the command line. Test Test your data set.