package grub-efi-amd64-signed 1.155.2+2.04-1ubuntu35.2 failed to install/upgrade: »installiertes grub-efi-amd64-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück

[Frum14Y]

directly during or after new installation on cleard zfs-disc

ProblemType: Package
DistroRelease: Ubuntu 20.10
Package: grub-efi-amd64-signed 1.155.2+2.04-1ubuntu35.2
ProcVersionSignature: Ubuntu 5.8.0-41.46-generic 5.8.18
Uname: Linux 5.8.0-41-generic x86_64
NonfreeKernelModules: wl zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: skip
Date: Mon Feb 1 10:41:16 2021
ErrorMessage: »installiertes grub-efi-amd64-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal, 3.8.6-0ubuntu1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.20.5ubuntu2
 apt 2.1.10
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed 1.155.2+2.04-1ubuntu35.2 failed to install/upgrade: »installiertes grub-efi-amd64-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück
UpgradeStatus: No upgrade log present (probably fresh install)

[Frum14Y (frumy)]

after some update is all working now well.

Only LivePach will not work now.

perhaps after next support-package.... : - )