Public bug reported:
Building dependency tree
Reading state information... Done
Checking for installed snaps
Calculating snap size requirements
Updating repository information
Repository information invalid
Upgrading the repository information resulted in a invalid file so a
bug reporting process is being started.
Restoring original system state
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.32 [origin: unknown]
ProcVersionSignature: Ubuntu 4.15.0-245.257~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-245-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.30+esm8
Architecture: amd64
CrashDB: ubuntu
Date: Tue Dec 23 12:16:12 2025
InstallationDate: Installed on 2018-02-25 (2858 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_IN:en
TERM=xterm
PATH=(custom, no user)
LANG=en_IN
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2025-12-23 (0 days ago)
VarLogDistupgradeAptlog:
Log time: 2025-12-23 12:12:17.179014
Log time: 2025-12-23 12:14:43.183329
Log time: 2025-12-23 12:16:12.756000
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade third-party-packages xenial
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https://bugs.launchpad.net/bugs/2137033
Title:
i am unable to update my ubuntu 16.04 to 18.04
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