installer crashes at grub install, on every distro, whether ubiquity, calamares or the custom installer

[Creatomat]

i can fix it by manually installing grub, but i can't upgrade, for example updating from 22.10 to 23.04 fails cause it can't configure grub.

ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: ubiquity 22.10.10
ProcVersionSignature: Ubuntu 5.19.0-21.21-generic 5.19.7
Uname: Linux 5.19.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.23.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.475
CurrentDesktop: ubuntu:GNOME
Date: Tue May 2 19:52:46 2023
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020)
ProcEnviron:
 LANGUAGE=en_IN
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
 LC_NUMERIC=C.UTF-8
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)