A Database Error Occurred

Error Number: 1191

Can't find FULLTEXT index matching the column list

SELECT *,MATCH(title,tag) AGAINST('video 1587568438422 up3k love')+1 as score FROM `funny_video` where id <> 12077 AND status='show' AND action='approved' AND language like '%hindi%' ORDER BY score DESC LIMIT 0,20

Filename: models/Video_view_m.php

Line Number: 75