[Bug 1921798] [NEW] I think it couldn't estimate what was needed for the upgrade and said it couldn't proceed

[Neil Browne]

Public bug reported:

I have made several attempt to upgrade. I think the error massage is
different each time. This is the second one where I have submitted a
report as recommended.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.42
ProcVersionSignature: Ubuntu 4.15.0-139.143-generic 4.15.18
Uname: Linux 4.15.0-139-generic x86_64
NonfreeKernelModules: lkp_Ubuntu_4_15_0_139_143_generic_75
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Tue Mar 30 09:41:48 2021
InstallationDate: Installed on 2017-04-11 (1448 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-03-29 (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/1921798

Title:
  I think it couldn't estimate what was needed for the upgrade and said
  it couldn't proceed

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

Bug description:
  I have made several attempt to upgrade. I think the error massage is
  different each time. This is the second one where I have submitted a
  report as recommended.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 4.15.0-139.143-generic 4.15.18
  Uname: Linux 4.15.0-139-generic x86_64
  NonfreeKernelModules: lkp_Ubuntu_4_15_0_139_143_generic_75
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Mar 30 09:41:48 2021
  InstallationDate: Installed on 2017-04-11 (1448 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-03-29 (0 days ago)
  VarLogDistupgradeTermlog:

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