package grub-efi-amd64-signed 1.172+2.04-1ubuntu46 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32

[Donald]

Installed Ubuntu Impish Indri (development branch) onto my Thinkpad (X1 Extreme Gen 1) and I get this error every time my system tries to install updates.

ProblemType: Package
DistroRelease: Ubuntu 21.10
Package: grub-efi-amd64-signed 1.172+2.04-1ubuntu46
ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
Uname: Linux 5.13.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu68
AptOrdering:
 grub-efi-amd64-signed:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Thu Sep 2 19:38:58 2021
ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
Python3Details: /usr/bin/python3.9, Python 3.9.6, python3-minimal, 3.9.4-1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.20.9ubuntu2
 apt 2.3.7
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.172+2.04-1ubuntu46 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32
UpgradeStatus: No upgrade log present (probably fresh install)