Attempts to upgrade to Fedora 26 fails with the following error: # dnf system-upgrade download --refresh --releasever=26 Fedora 26 - x86_64 6.0 MB/s | 53 MB 00:08 Fedora 26 - x86_64 - Updates 3.6 MB/s | 4.0 MB 00:01 Last metadata expiration check: 0:00:03 ago on Thu Jul 13 19:16:36 2017. Error: package python-dnf-plugins-extras-migrate-0.0.12-4.fc25.noarch requires python-dnf-plugins-extras-common = 0.0.12-4.fc25, but none of the providers can be installed (try to add '--allowerasing' to command line to replace conflicting packages) Server is updated to the latest: # dnf upgrade --refresh Dependencies resolved. Nothing to do. Complete!
If you don't need python-dnf-plugins-extras-migrate, just erase it first (dnf remove python-dnf-plugins-extras-migrate), and then try again.
That helped, thank you. Although I never installed this package manually.
I created a patch that should solve the problem (https://github.com/rpm-software-management/dnf-plugins-core/pull/227).
libdnf-0.9.3-1.fc26 dnf-plugins-core-2.1.3-1.fc26 dnf-2.6.2-1.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-6f4c06b2d7
dnf-2.6.2-1.fc26, dnf-plugins-core-2.1.3-1.fc26, libdnf-0.9.3-1.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-6f4c06b2d7
dnf-2.6.2-1.fc26, dnf-plugins-core-2.1.3-1.fc26, libdnf-0.9.3-1.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.