MySQL error in file: /engine/cache/system/plugins/9b41eccce4a18e1aa78ca2d3d03f0578.php at line 1186

Error Number: 1191

The Error returned was:
Can't find FULLTEXT index matching the column list

SQL query:

SELECT title_it, alt_name_it, short_story_it, id, date, short_story, xfields, title, category, alt_name, MATCH (title, short_story, full_story, xfields) AGAINST ('GolfRoyale.io GolfRoyale.io') as score FROM dle_post p INNER JOIN (SELECT DISTINCT(dle_post_extras_cats.news_id) FROM dle_post_extras_cats WHERE cat_id IN ('2','137')) c ON (p.id=c.news_id) WHERE title_it <> '' AND MATCH (title, short_story, full_story, xfields) AGAINST ('GolfRoyale.io GolfRoyale.io') AND id != 2293 AND approve=1 ORDER BY score DESC LIMIT 8