Thank you for contacting the support forum.
Before your ticket is assigned to one of my colleagues, please allow me to walk you through some initial debugging steps. This will help speed up the support process.
We don't have any filter on $wpdb->get_results could you please disable WPML and check if this works to confirm it is WPML.
Hello!
Thank you for your reply!
You have all our accesses, so you can go to the site and take all the necessary actions to identify and solve the problem. But then please return everything back to the way it was.
