[Bug 1889483] [NEW] Unable to update from 18.04

[Joaquin Contreras Aravena]

Public bug reported:

When i tried to upgrade ubuntu, the process doesn't finish, showing the
following error:

"No se ha podido calcular la actualización

Se produjo un problema irresoluble al calcular la actualización. "

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.38
ProcVersionSignature: Ubuntu 4.15.0-112.113-generic 4.15.18
Uname: Linux 4.15.0-112-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.15
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 29 17:59:33 2020
InstallationDate: Installed on 2019-05-18 (438 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-07-29 (0 days ago)
mtime.conffile..etc.update-manager.release-upgrades: 2020-07-29T17:52:33.404084

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


** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages

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https://bugs.launchpad.net/bugs/1889483

Title:
  Unable to update from 18.04

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

Bug description:
  When i tried to upgrade ubuntu, the process doesn't finish, showing
  the following error:

  "No se ha podido calcular la actualización

  Se produjo un problema irresoluble al calcular la actualización. "

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 4.15.0-112.113-generic 4.15.18
  Uname: Linux 4.15.0-112-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jul 29 17:59:33 2020
  InstallationDate: Installed on 2019-05-18 (438 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-07-29 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2020-07-29T17:52:33.404084

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