RSS Feed Stopped Working On The 21st

I subscribe to my own RSS feed just so that I can see what the posts look like in the readers, and for some reason my feed stopped sending out new posts on the 21st.

I checked my reading options and everything looks fine. Any advice on what I could do to fix it?

I just went to the urls where my feeds are (https://breathoffreshink.com/feed/atom and https://breathoffreshink.com/feed/rss) and I got error messages.

This was one:

Warning: main(/home/sunofthe/public_html//wp-feed.php): failed to open stream: Permission denied in /home/sunofthe/public_html/wp-includes/template-loader.php on line 5