@ZdravkoG, to answer your question in comment #10. The fix has to be reviewed and eventually approved, then uploaded to the development release (bionic), then to artful-proposed, verified and accepted to finally be in artful updates and publish a new release upgrader tarball on archive.u.c. It takes time.
Thanks for your help on this bug and the valuable information you provided. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1744722 Title: Unknown bad source brings up during 'zesty' to 'artful' upgrade and It break the process To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1744722/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
