package grub-efi-amd64-signed 1.128+2.04-1ubuntu12 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1

[Brian Kohlhagen]

Occurs during update of clean system.

ProblemType: Package
DistroRelease: Ubuntu 19.10
Package: grub-efi-amd64-signed 1.128+2.04-1ubuntu12
ProcVersionSignature: Ubuntu 5.3.0-17.18-generic 5.3.1
Uname: Linux 5.3.0-17-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
Date: Fri Oct 11 22:29:56 2019
ErrorMessage: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2019-10-07 (7 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Beta amd64 (20190926.1)
Python3Details: /usr/bin/python3.7, Python 3.7.5rc1, python3-minimal, 3.7.5-1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu2
 apt 1.9.4
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.128+2.04-1ubuntu12 failed to install/upgrade: installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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