Author not loading after first

I just installed the plugin and got the feed into posts add on. I’m having problems with the authors not working right.

I have them set up to use the site’s own author, and create it if it doesn’t exist. It works for the first post from that author, but then the new posts from them look like they have no author.

Has anyone had this issues? Any idea how to fix?

https://wordpress.org/plugins/wp-rss-aggregator/