Recently, without changing anything on my website, Google search console started flagging 80 index coverage errors, shown as "Server error (5xx)". When I go look into it, what it's flagging are php files in the /wp-includes/ folder, which Google shouldn't be even trying to index. My xml sitemap doesn't include these files. I don't understand why google is trying to index and then flagging them.
Any ideas on why this is happening and what I can do to stop it?