fatal error grub-install in /dev/sda

[Thomas Freeman]

Fresh install from bootable usb fails with ubuntu 21.10 regardless of how I setup the partitions in the "something else" section of install process.

Expected install to work.
Install fails every time at the final stage.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: ubiquity 21.10.10
ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
Uname: Linux 5.13.0-19-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu70
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.465
CurrentDesktop: ubuntu:GNOME
Date: Mon Mar 21 23:33:41 2022
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity acpi=off ---
LiveMediaBuild: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012)
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 LC_NUMERIC=C.UTF-8
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)