do-release-upgrade leads to error

Projet:Trisquel
Version:8.0
Composant:Misc
Catégorie:Rapporter un bogue
Priorité:normal
Attribué:GNUbahn
Statut:active
Description

When running do-release-upgrade I get (I can't see and copy more than the following from the terminal window):

Err http://fr.archive.trisquel.info flidas-updates/main Translation-en_GB

Err http://fr.archive.trisquel.info flidas-backports/main Translation-en

Err http://fr.archive.trisquel.info flidas-backports/main Translation-en_GB

Ign http://fr.archive.trisquel.info flidas-security/main Translation-en
Ign http://fr.archive.trisquel.info flidas-security/main Translation-en_GB
Ign http://fr.archive.trisquel.info flidas-updates/main Translation-en
Ign http://fr.archive.trisquel.info flidas-updates/main Translation-en_GB
Ign http://fr.archive.trisquel.info flidas-backports/main Translation-en
Ign http://fr.archive.trisquel.info flidas-backports/main Translation-en_GB
Fetched 40,0 MB in 6s (141 kB/s)

Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done

Calculating the changes

Calculating the changes

Could not determine the upgrade

An unresolvable problem occurred while calculating the upgrade.

This can be caused by:
* Upgrading to a pre-release version of Trisquel
* Running the current pre-release version of Trisquel
* Unofficial software packages not provided by Trisquel

If none of this applies, then please report this bug using the
command https://trisquel.info/en/project/issues in a browser..

Restoring original system state

Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
=== Command detached from window (Sat Apr 21 14:30:43 2018) ===
=== Command terminated with exit status 1 (Sat Apr 21 14:30:53 2018) ===