Error in phase DEBIAN/40-misc and GRUB_PC/10-setup

[c.monty at web.de]

Hello!

I'm facing an issue when installing "demohost" according to installation guide.
The errors occur in step
DEBIAN/40-misc and 
GRUB_PC/10-setup
(All details in attached logs from demohost.)

The corresponding error messages are:
Calling task_configure
Executing shell: FAIBASE/10-misc
FAIBASE/10-misc OK.
Executing shell: FAIBASE/20-removable_media
FAIBASE/20-removable_media OK.
Executing shell: DEBIAN/10-rootpw
DEBIAN/10-rootpw OK.
Executing shell: DEBIAN/20-capabilities
DEBIAN/20-capabilities OK.
Executing shell: DEBIAN/30-interface
DEBIAN/30-interface OK.
Executing shell: DEBIAN/40-misc
DEBIAN/40-misc FAILED with exit code 1.
Executing shell: DEMO/10-misc
DEMO/10-misc OK.
Executing shell: GRUB_PC/05-gce-grub
GRUB_PC/05-gce-grub OK.
Executing shell: GRUB_PC/10-setup
GRUB_PC/10-setup FAILED with exit code 127.
Executing shell: LAST/50-misc
LAST/50-misc OK.
Exit code task_configure: 420
Calling task_tests
Calling task_finish
Filesystem Type Size Used Avail Use% Mounted on
192.168.33.250:/srv/fai/nfsroot nfs 3.7G 2.0G 1.5G 57% /live/image
faiserver:/srv/fai/config nfs 3.7G 2.0G 1.5G 57% /var/lib/fai/config
/dev/vda1 ext4 6.9G 224M 6.3G 4% /target
/dev/vda7 ext4 2.0G 6.1M 1.9G 1% /target/home
/dev/vda6 ext4 437M 2.3M 430M 1% /target/tmp

As a consequence demohost is not booting from local disk.

THX
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