[Bug 2137033] [NEW] i am unable to update my ubuntu 16.04 to 18.04

[Anvesh Garg]

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

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

Bug description:
  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

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