[09-May-2022 17:07:59 UTC] WordPress error on database Unknown column 'wpml_translations.language_code' in 'where clause' per la query SELECT wp_posts.* FROM wp_posts WHERE 1=1 AND wp_posts.post_name = 'admin-ajax-php' AND wp_posts.post_type = 'attachment' AND ( ( ( wpml_translations.language_code = 'it' OR (
wpml_translations.language_code = 'i
Solution:
Awesome, it seems that simply moving posts to translatable (with fallback) completely fixed the issue (without installing the Media addon).