DATABASE ERROR:

SELECT p.id,
                           p.title,
                           p.seolink AS post_link,
                           p.content_html AS content,
                           b.seolink AS blog_link,
                           img.fileurl,
                           MATCH(p.content_html) AGAINST('Сomodex') AS rel
                    FROM cms_blog_posts p
                    JOIN cms_blogs b ON b.id = p.blog_id
                    LEFT JOIN cms_upload_images img ON img.target_id = p.id AND img.target = 'blog_post' AND img.component = 'blogs'
                    WHERE MATCH(p.content_html) AGAINST('Сomodex' IN BOOLEAN MODE)
                    AND p.allow_who = 'all'
                    AND b.allow_who = 'all'
                    AND b.owner = 'user'
                    AND p.id NOT IN(96, 153, 151)
                    GROUP BY p.id
                    ORDER BY rel DESC
                    LIMIT 4

Can't find FULLTEXT index matching the column list