Please upgrade sequentially, for example, if you are on latest on release 30, upgrade to 31 and then to 32. The first 2 weeks of a release you can do a N-2 upgrade but its not supported and should be avoided.
sudo dnf install python27
sudo dnf install gnome-extensions-app
You will need to upgrade all packages to current, important to update the kernel to the latest in the current release and reboot.
sudo dnf upgrade --refresh
Reboot to make sure you are on the latest kernel.
sudo dnf install dnf-plugin-system-upgrade
The following will download all the necessary packages and make sure it keeps them cached:
sudo dnf system-upgrade download --setopt=keepcache=1 --releasever=32
The following will reboot automatically and upgrade the current installation:
sudo dnf system-upgrade reboot
Before any of the following use:
sudo dnf update
sudo dnf system-upgrade clean
sudo dnf clean packages
sudo dnf repoquery --unsatisfied
sudo dnf repoquery --duplicates