I have recently migrated to RankMath from Yoast SEO, however, when trying to update the meta description of a post or page, the changes do not save. An error pops up, “Updating failed. The response is not a valid JSON response.”.
This error seems to be consistent across all posts and pages.
I have tried turning off the site’s firewall as well as deactivating the Litespeed Cache, neither worked as a solution. I also updated the PHP version of the server but still no change.
I have also tried turning off the RankMath Analytics module, recreating the tables and rebuilding the index, all of which had no effect.
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