File changed, can’t see how

Replies: 0

I was notified after a Wordfence scan that a plugin file was modified (for a different plugin, not Wordfence), but when I selected the link to see how the file had changed, I was shown this message (all alone on the page):
We could not fetch a core WordPress file from the Wordfence API.

What does this mean? How do I fix it/see how the particular file changed?

I did NOT update to the latest version of Wordfence yet, given problems I had when installing/testing it out. I’m using version 6.2.0.

Please advise.