Comment 9 for bug 2051418

Dear all
I can not upgrade my Ubuntu 23.10 because of this error. Even more some packages are generating the same error during the installation. I have dual boot system.
Here an example of the what I see when trying to update and upgrade my OS:
~/sudo apt-get upgrade

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages will be REMOVED:
  linux-image-6.5.0-15-generic
The following packages will be upgraded:
  code google-chrome-stable xserver-common xserver-xephyr xserver-xorg-core xserver-xorg-legacy xwayland
7 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
6 not fully installed or removed.
Need to get 0 B/212 MB of archives.
After this operation, 8,779 kB disk space will be freed.
Do you want to continue? [Y/n]
Preconfiguring packages ...
setting xserver-xorg-legacy/xwrapper/allowed_users from configuration file
(Reading database ... 549660 files and directories currently installed.)
Removing linux-image-6.5.0-15-generic (6.5.0-15.15) ...
/etc/kernel/postrm.d/zz-update-grub:
Sourcing file `/etc/default/grub'
/usr/sbin/grub-mkconfig: 33: /etc/default/grub: want: not found
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 127
dpkg: error processing package linux-image-6.5.0-15-generic (--remove):
 installed linux-image-6.5.0-15-generic package post-removal script subprocess returned error exit status 1
dpkg: too many errors, stopping
Errors were encountered while processing:
 linux-image-6.5.0-15-generic
Processing was halted because there were too many errors.
E: Sub-process /usr/bin/dpkg returned an error code (1)