package grub-efi-amd64-signed 1.187.3~18.04.1+2.06-2ubuntu14.1 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[William Baumer]

Cannot update or upgrade these packages

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: grub-efi-amd64-signed 1.187.3~18.04.1+2.06-2ubuntu14.1
ProcVersionSignature: Ubuntu 4.15.0-213.224-generic 4.15.18
Uname: Linux 4.15.0-213-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.29
Architecture: amd64
Date: Mon Dec 25 22:06:13 2023
ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.4
 apt 1.6.17
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.187.3~18.04.1+2.06-2ubuntu14.1 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to bionic on 2023-12-25 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.