"Error: `map_df()` requires dplyr" when running checks on a package using purrr::map_dfr() internally

Ah interesting that it's only on your machine! What if you try one of R-hub's platforms that's on Fedora too? (see rhub::platforms()).

Also, do you have any particular library setup?

I'm just curious, I'd understand your not exploring further if the problem is only on one machine (too bad it's yours though :wink:).