Comment mettre en place son duer ?

Erreur de la base de données WordPress : [Table 'santetrapu422.mod815_comments' doesn't exist]
SELECT SQL_CALC_FOUND_ROWS mod815_comments.comment_ID FROM mod815_comments WHERE ( comment_approved = '1' ) AND comment_post_ID = 12525 ORDER BY mod815_comments.comment_date_gmt ASC, mod815_comments.comment_ID ASC