The problem is solved. After reading the logs on main en apt. I assumed it was link extra-codecs. I removed this packaged and afterwards the upgrade went on. After the upgrade I reinstalled the extra-codecs
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1921622 Title: cannot upgrade to 20.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1921622/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
