failed to register the ef1 boot entry

[Ganesha Bhaskara]

installer crashed with error

Failed to register EFI boot entry: Operation not permitted

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubiquity 21.04.9
ProcVersionSignature: Ubuntu 5.10.0-14.15-generic 5.10.11
Uname: Linux 5.10.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu60
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.460
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 18 10:04:03 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210317)
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:
 linux-image-5.11.0-11-generic
 linux-base
 linux-image-5.10.0-14-generic
 linux-base
 linux-base
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)