I was installing Ubuntu 20.04.6 then a error box popped up stated that a crucial error had occurred click the box to reboot

[Roman Cook]

I just told you all that I know.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15.19
ProcVersionSignature: Ubuntu 5.15.0-67.74~20.04.1-generic 5.15.85
Uname: Linux 5.15.0-67-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.25
Architecture: amd64
CasperMD5CheckMismatches: ./pool/main/m/make-dfsg/make_4.2.1-1.2_amd64.deb
CasperMD5CheckResult: skip
CasperVersion: 1.445.3
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 30 01:33:13 2023
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed only-ubiquity quiet splash oem-config/enable=true ---
LiveMediaBuild: Ubuntu 20.04.6 LTS "Focal Fossa" - Release amd64 (20230316)
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 LC_NUMERIC=C.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)