I could not upgrade to 20.04 from 18.04"an unresolvable problem occurred while calculating the upgrade".

Asked by Abdullahi Makama on 2020-10-11

Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade.

 If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to investigate this yourself the log files in '/var/log/dist-upgrade' will contain details about the upgrade. Specifically, look at 'main.log' and 'apt.log'.

How can I resolve this upgrade issue that appears not to have a cause?

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Manfred Hampl (m-hampl) said : #1

For diagnostic purposes please provide the output that you receive for the commands

uname -a
lsb_release -crid
tail /var/log/dist-upgrade/apt.log
tail /var/log/dist-upgrade/main.log
tail /var/log/dist-upgrade/term.log

Bernard Stafford (bernard010) said : #3

Is their enough free space on your Hard drive to accomplish the upgrade?

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