[Bug 2036340] Re: Failure to upgrade Ubuntu 20.04 "could not find a distribution template for Ubuntu/focal"

[David]

*** This bug is a duplicate of bug 1980574 ***
    https://bugs.launchpad.net/bugs/1980574

Thank you so much for your help!
Sadly, ppa-purge fails :S

```
david at david-GS63-Stealth-8RD:~$ sudo ppa-purge -s ppa.launchpad.net ppa:pipewire-debian/pipewire-upstream
Updating packages lists
PPA to be removed: pipewire-debian pipewire-upstream
Warning:  Could not find package list for PPA: pipewire-debian pipewire-upstream
```

EDIT: sorry, uploaded my second attempt, but result was the same for your exact command:
```
david at david-GS63-Stealth-8RD:~$ sudo ppa-purge -s ppa.launchpad.net -o pipewire-debian -p pipewire-upstream
Updating packages lists
PPA to be removed: pipewire-debian pipewire-upstream
Warning:  Could not find package list for PPA: pipewire-debian pipewire-upstream
```

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https://bugs.launchpad.net/bugs/2036340

Title:
  Failure to upgrade Ubuntu 20.04 "could not find a distribution
  template for Ubuntu/focal"

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

Bug description:
  I tried to upgrade my Ubuntu using the Sofware Update interface app
  (as suggested by the app itself).

  The app just fails to upgrade and suggests to use the bug-report, the
  logs show this error "could not find a distribution template for
  Ubuntu/focal" and another one about ubuntu-desktop being corrupted
  after the install.

  Sorry if this is a bad report, I have no idea what is exactly failing.

  Description:	Ubuntu 20.04.6 LTS
  Release:	20.04

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.41 [origin: unknown]
  ProcVersionSignature: Ubuntu 5.4.0-162.179-generic 5.4.246
  Uname: Linux 5.4.0-162-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.27
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Sep 17 09:09:06 2023
  InstallationDate: Installed on 2019-09-23 (1454 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2023-09-17 (0 days ago)
  VarLogDistupgradeTermlog:

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