Let me try as well.
This works fine for me.
SPC o f
yeah, so for the introduction This package provides features for three kinds of users.
You just want to use the Spacemacs mode-line theme and forget about it.
You want to use something similar to the Spacemacs mode-line theme, but with a handful of easy tweaks.
You want an easy-to-use library for building your own mode-line from scratch, and you think the Spacemacs theme looks good.