Unable to upgrade from Ubuntu 16.04 to 18
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
Error info:
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
This was likely caused by:
* Unofficial software packages not provided by Ubuntu
Please use the tool 'ppa-purge' from the ppa-purge
package to remove software from a Launchpad PPA and
try the upgrade again.
If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-
ProcVersionSign
Uname: Linux 4.15.0-133-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.28
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Mon Feb 1 17:23:52 2021
InstallationDate: Installed on 2017-05-02 (1371 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitec
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to xenial on 2021-02-01 (0 days ago)
VarLogDistupgra
tags: | added: xenial2bionic |