[Bug 1888364] [NEW] I want to upgrade from ubuntu 18 to 20

[zerguit youssef]

Public bug reported:

I want to upgrade from ubuntu 18 to 20, but when I do the command "sudo
do-release-upgrade -d -f DistUpgradeViewGtk3",i get this problem "Could
not calculate the upgrade"

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.37
ProcVersionSignature: Ubuntu 5.3.0-62.56~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-62-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.15
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Tue Jul 21 09:58:09 2020
InstallationDate: Installed on 2020-04-23 (89 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-07-21 (0 days ago)
VarLogDistupgradeTermlog:

** 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/1888364

Title:
  I want to upgrade from ubuntu 18 to 20

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

Bug description:
  I want to upgrade from ubuntu 18 to 20, but when I do the command
  "sudo do-release-upgrade -d -f DistUpgradeViewGtk3",i get this problem
  "Could not calculate the upgrade"

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-62.56~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-62-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jul 21 09:58:09 2020
  InstallationDate: Installed on 2020-04-23 (89 days ago)
  InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-07-21 (0 days ago)
  VarLogDistupgradeTermlog:

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