inculata all'improvviso

MySQL Fatal Error
MySQL Error!
MySQL error in file: /system/theme/Default/search.php at line 123
Error Number: 1064
The Error returned was:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'improvviso' IN BOOLEAN MODE) AND status='published'' at line 1
SQL query:

SELECT count(video_id) AS total FROM web_videos WHERE MATCH(title) AGAINST ('inculata all'improvviso' IN BOOLEAN MODE) AND status='published'