error: disk loop,7 not found

[olevenets2]

Hi, i installed the latest Brunch near to Ubuntu 24.04.1 and Windows 11 on a separate partition /dev/nvme0n1p4. I then added the entry suggested by the script to my grub.cfg:

menuentry "Brunch" --class "brunch" {
rmmod tpm
img_path=/chromeos.img
img_uuid=210c3149-04
search --no-floppy --set=root --file $img_path
loopback loop $img_path
source (loop,12)/efi/boot/settings.cfg
if [ -z $verbose ] -o [ $verbose -eq 0 ]; then
linux (loop,7)$kernel boot=local noresume noswap loglevel=7 options=$options chromeos_bootsplash=$chromeos_bootsplash $cmdline_params
cros_secure cros_debug img_uuid=$img_uuid img_path=$img_path
console= vt.global_cursor_default=0 brunch_bootsplash=$brunch_bootsplash quiet
else
linux (loop,7)$kernel boot=local noresume noswap loglevel=7 options=$options chromeos_bootsplash=$chromeos_bootsplash $cmdline_params
cros_secure cros_debug img_uuid=$img_uuid img_path=$img_path
fi
initrd (loop,7)/lib/firmware/amd-ucode.img (loop,7)/lib/firmware/intel-ucode.img (loop,7)/initramfs.img
}

menuentry "Brunch settings" --class "brunch-settings" {
rmmod tpm
img_path=/chromeos.img
img_uuid=210c3149-04
search --no-floppy --set=root --file $img_path
loopback loop $img_path
source (loop,12)/efi/boot/settings.cfg
linux (loop,7)/kernel boot=local noresume noswap loglevel=7 options= chromeos_bootsplash= edit_brunch_config=1
cros_secure cros_debug img_uuid=$img_uuid img_path=$img_path
initrd (loop,7)/lib/firmware/amd-ucode.img (loop,7)/lib/firmware/intel-ucode.img (loop,7)/initramfs.img
}

Unfortunately this doesn't work for me and I get errors when loading Brunch:

error: no such module
error: no such device: /chromeos.img
error: file ./chromeos.img not found
error: disk loop,7 not found
error: you need to load the kernel first...

My computer has efi-bios and mbr partition type. Any solutions please? I also tried this a couple of years ago and still got the same error that hasn't been fixed for years