$ pkg rquery -r FreeBSD-base %dn FreeBSD-set-optional
pkg: Repository FreeBSD-base cannot be opened. 'pkg update' required
$ sudo pkg update
Updating FreeBSD-ports repository catalogue...
Fetching data: 100%    10 MiB  11.0 MB/s    00:01
Processing entries: 100%
FreeBSD-ports repository update completed. 37080 packages processed.
Updating FreeBSD-ports-kmods repository catalogue...
FreeBSD-ports-kmods repository is up to date.
All repositories are up to date.
$ pkg rquery -r FreeBSD-base %dn FreeBSD-set-optional
pkg: Repository FreeBSD-base cannot be opened. 'pkg update' required