[Bug 1947480] Re: Update could not be calculated

[Nachitzu]

** Attachment added: "apt.log"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1947480/+attachment/5533581/+files/apt.log

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https://bugs.launchpad.net/bugs/1947480

Title:
  Update could not be calculated

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

Bug description:
  When i try to upgrade from ubuntu 20.04 to 21.04 an error display, this says:
  "
  Reading status information ... Done

  Calculating the changes

  Calculating the changes

  Update could not be calculated

  There was an unsolvable problem calculating the update.

  If none of this is applicable, then report this error using
  the command "ubuntu-bug ubuntu-release-upgrader-core" in a terminal.
  If you want to investigate the problem yourself, the logs in
  "/ Var / log / dist-upgrade" contains update details; on
  In particular, see "main.log" and "apt.log". 
  "

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.36 [origin: unknown]
  ProcVersionSignature: Ubuntu 5.11.0-37.41~20.04.2-generic 5.11.22
  Uname: Linux 5.11.0-37-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.20
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Oct 16 21:20:06 2021
  InstallationDate: Installed on 2021-02-28 (230 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2021-10-17 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2021-10-15T19:30:27.849056

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