[Bug 1934924] [NEW] Error when trying to switch to Ubuntu 20.04 LTS

[Julien]

Public bug reported:

I am using Ubuntu 18.04 LTS on an Odroid N2, during my umpteenth attempt to upgrade to the current LTS version; that I try by a terminal or with the utility of update; I always end up getting an error message regarding PPAs.
However, I unchecked all the sources, but impossible to understand where it could come from, I did the following command:
"sudo apt-get update -y && sudo apt-get upgrade -y && sudo apt-get dist-upgrade -y" before attempting to upgrade the OS, but I still get the same result.

I would really like to avoid going over to doing a full reinstallation,
which would mean reinstalling my various programs and scripts; being a
small home production server.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 2:18.04.38 [origin: unknown]
Uname: Linux 4.9.241-77 aarch64
ApportVersion: 2.20.9-0ubuntu7.24
Architecture: arm64
CrashDB: ubuntu
CurrentDesktop: MATE
Date: Wed Jul  7 19:34:54 2021
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-07-07 (0 days ago)
VarLogDistupgradeLspcitxt:
 
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug arm64 bionic dist-upgrade third-party-packages

** Attachment added: "Capture du 2021-07-07 19-46-16.png"
   https://bugs.launchpad.net/bugs/1934924/+attachment/5509663/+files/Capture%20du%202021-07-07%2019-46-16.png

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https://bugs.launchpad.net/bugs/1934924

Title:
  Error when trying to switch to Ubuntu 20.04 LTS

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I am using Ubuntu 18.04 LTS on an Odroid N2, during my umpteenth attempt to upgrade to the current LTS version; that I try by a terminal or with the utility of update; I always end up getting an error message regarding PPAs.
  However, I unchecked all the sources, but impossible to understand where it could come from, I did the following command:
  "sudo apt-get update -y && sudo apt-get upgrade -y && sudo apt-get dist-upgrade -y" before attempting to upgrade the OS, but I still get the same result.

  I would really like to avoid going over to doing a full
  reinstallation, which would mean reinstalling my various programs and
  scripts; being a small home production server.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 2:18.04.38 [origin: unknown]
  Uname: Linux 4.9.241-77 aarch64
  ApportVersion: 2.20.9-0ubuntu7.24
  Architecture: arm64
  CrashDB: ubuntu
  CurrentDesktop: MATE
  Date: Wed Jul  7 19:34:54 2021
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-07-07 (0 days ago)
  VarLogDistupgradeLspcitxt:
   
  VarLogDistupgradeTermlog:

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