Error en la base de datos de WordPress: [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 'AND _comment.comment_post_ID IN (307) AND _comment.comment_approved IN ("a' at line 22]
SELECT _comment.comment_ID, _comment.comment_post_ID, _comment.comment_author, _comment.comment_author_email, _comment.comment_date, _comment.comment_content, _comment.comment_approved AS comment_status, _comment.user_id, _meta.meta_value as rating, _course.post_title AS course_title, _student.display_name FROM wp_comments _comment INNER JOIN wp_commentmeta _meta ON _comment.comment_ID = _meta.comment_id INNER JOIN wp_posts _course ON _comment.comment_post_ID=_course.ID INNER JOIN wp_users _student ON _comment.user_id = _student.ID WHERE _comment.comment_type = 'tutor_course_rating' AND _meta.meta_key = 'tutor_rating' AND _comment.user_id= AND _comment.comment_post_ID IN (307) AND _comment.comment_approved IN ("approved","hold") ORDER BY _comment.comment_ID DESC LIMIT 0, 150;