On Jan 4, 2016 1:09 PM, "Frank White" <mediomen27@gmail.com> wrote:
>
> Hi,
> I have some problems to upgrade to 22.
> Here are the errors:
>
> [root@localhost ~]# dnf system-upgrade reboot
>
[...]

I think you need to use fedup, not dnf, to upgrade from F21 to F22.

Andras