[Bug 1837501] [NEW] I tried to upgrade from Ubuntu 18.10 to Ubuntu 19.04 but this error occured...........PLease help me solcve the issue

[Sumit Chauhan]

Public bug reported:

When I tried upgrading my Ubuntu from 18.10 to 19.04 I encountered this
issue...........Can you please help me out???

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: ubuntu-release-upgrader-core 1:18.10.11.9
ProcVersionSignature: Ubuntu 4.18.0-25.26-generic 4.18.20
Uname: Linux 4.18.0-25-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.4
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Tue Jul 23 09:37:26 2019
InstallationDate: Installed on 2018-01-28 (540 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to cosmic on 2019-07-23 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug cosmic dist-upgrade third-party-packages

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https://bugs.launchpad.net/bugs/1837501

Title:
  I tried to upgrade from Ubuntu 18.10 to Ubuntu 19.04 but this error
  occured...........PLease help me solcve the issue

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

Bug description:
  When I tried upgrading my Ubuntu from 18.10 to 19.04 I encountered
  this issue...........Can you please help me out???

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: ubuntu-release-upgrader-core 1:18.10.11.9
  ProcVersionSignature: Ubuntu 4.18.0-25.26-generic 4.18.20
  Uname: Linux 4.18.0-25-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13.4
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jul 23 09:37:26 2019
  InstallationDate: Installed on 2018-01-28 (540 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to cosmic on 2019-07-23 (0 days ago)
  VarLogDistupgradeTermlog:

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