trying to build a high Sierra iso Image

[zdavatz]

Hi

I am trying build a bootable iso image of high Sierra and I get the following output from your script:

Using "/Applications/Install macOS High Sierra.app".
Detecting macOS name for installation... macOS High Sierra
Creating temporary directory... succeed
Mounting InstallESD.dmg...
/dev/disk2          	GUID_partition_scheme
/dev/disk2s1        	EFI
/dev/disk2s2        	Apple_HFS                      	/private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/osx_iso_tmpdir_XXX.pzpR7qtz/InstallESD_dmg_mnt
Mounting succeed
Calculating required image size... hdiutil: imageinfo failed - Es existiert keine Datei und kein Ordner dieser Art
stat: /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/osx_iso_tmpdir_XXX.pzpR7qtz/InstallESD_dmg_mnt/BaseSystem.dmg: stat: No such file or directory
Can't calculate, will use 10737418240 (10240 MiB)
Checking for available disk space... 81762942976 (77975 MiB)
Checking for super user rights... Owned
Choosing creation method... Method 2
Creating installation image from BaseSystem.dmg...
hdiutil: create failed - Es existiert keine Datei und kein Ordner dieser Art
Error: Can't create writable image
Unmounting temporary mounted source image...
"disk2" unmounted.
"disk2" ejected.
Removing temporary files...

Thank you for your Feedback.