I’m sorry to report 2.9.2 was a buggy update. It had a very small bug — just an add_action() call to a non-existing function — with very large consequences. Fortunately nothing permanent, so a quick upgrade to 2.9.3 will fix this.
Using Relevanssi in wp_link_query
If you want to use Relevanssi in the link queries (the search you get when adding links to posts in…
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thank you for the quick reaction. fortunately I remembered I updated relevanssi and concluded the mess on the site was caused by 2.9.2.
best regards
fmh