[Bug 1962304] [NEW] package ubuntustudio-branding-common 20.04.1 failed to install/upgrade: installed ubuntustudio-branding-common package post-installation script subprocess returned error exit status 127

[Andrew]

Public bug reported:

I'm on a Raspberry Pi 4 Cannakit build. I have had some troubles with a
lot of various packages. I'm not sure if there's a way around this. I
thought I read somewhere you have to use curl for everything, but I had
trouble with that too. I'll keep playing around with it and see what I
can find.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: ubuntustudio-branding-common 20.04.1
ProcVersionSignature: Ubuntu 5.4.0-1052.58-raspi 5.4.162
Uname: Linux 5.4.0-1052-raspi aarch64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: arm64
CasperMD5CheckResult: skip
Date: Fri Feb 25 11:20:23 2022
DuplicateSignature:
 package:ubuntustudio-branding-common:20.04.1
 Setting up ubuntustudio-branding-common (20.04.1) ...
 /var/lib/dpkg/info/ubuntustudio-branding-common.postinst: 22: update-grub: not found
 dpkg: error processing package ubuntustudio-branding-common (--configure):
  installed ubuntustudio-branding-common package post-installation script subprocess returned error exit status 127
ErrorMessage: installed ubuntustudio-branding-common package post-installation script subprocess returned error exit status 127
ImageMediaBuild: 20210819.1
PackageArchitecture: all
Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3.1
 apt  2.0.6
SourcePackage: ubuntustudio-look
Title: package ubuntustudio-branding-common 20.04.1 failed to install/upgrade: installed ubuntustudio-branding-common package post-installation script subprocess returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubuntustudio-look (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-package arm64 arm64-image focal need-duplicate-check raspi-image uec-images

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https://bugs.launchpad.net/bugs/1962304

Title:
  package ubuntustudio-branding-common 20.04.1 failed to
  install/upgrade: installed ubuntustudio-branding-common package post-
  installation script subprocess returned error exit status 127

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