DWyeth

That fixed it — thanks so much!!

…And just came back again. Hmmm….

The issue went away – everything now seems to be working. Thanks for your response.

mySQL is MySQL 5.6

and the wp_posts tables are InnoDB

I tried changing to another related posts plugin, but it was inferior to CRP when CRP is working correctly. So I’d really like to get this to work.

The cache won’t clear for me. Every article has the same — or nearly the same — set of links attached. Advice?