thx i believe this works!. this is wound work as a snippet in functions or copy the file to child theme?
on our testserver im getting this error in debug mode
Warning: count(): Parameter must be an array or an object that implements Countable in /mnt/env/rjvps/development/public_html/wp-content/plugins/ajax-search-pro/includes/classes/search/class-asp-search-indextable.php on line 475