package grub-efi-amd64 2.04-1ubuntu12.2 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255

[Tauane Fabris dos Santos]

Não consigo atualizar para a versão 20.

ProblemType: Package
DistroRelease: Ubuntu 19.10
Package: grub-efi-amd64 2.04-1ubuntu12.2
ProcVersionSignature: Ubuntu 4.15.0-1093.103-oem 4.15.18
Uname: Linux 4.15.0-1093-oem x86_64
ApportVersion: 2.20.11-0ubuntu8.9
AptOrdering:
 google-chrome-stable:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Fri Dec 4 22:08:32 2020
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-bionic-amd64-20180608-47+loki-n3-v3-kbl+X28
DpkgHistoryLog:
 Start-Date: 2020-12-04 22:07:11
 Commandline: aptdaemon role='role-commit-packages' sender=':1.877'
 Upgrade: google-chrome-stable:amd64 (87.0.4280.66-1, 87.0.4280.88-1)
ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255
InstallationDate: Installed on 2019-12-21 (349 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-1093-oem root=UUID=7f206797-8c2e-45fe-966a-4bef5c202815 ro mem_sleep_default=deep quiet splash vt.handoff=7
Python3Details: /usr/bin/python3.7, Python 3.7.5, python3-minimal, 3.7.5-1
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.17-1
RelatedPackageVersions:
 dpkg 1.19.7ubuntu2
 apt 1.9.4ubuntu0.1
SourcePackage: grub2
Title: package grub-efi-amd64 2.04-1ubuntu12.2 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 255
UpgradeStatus: No upgrade log present (probably fresh install)