WordPress databasfel: [You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AND wp_swen_guru_comments.comment_type = 'tutor_q_and_a' AND meta_key = ...' at line 16]
SELECT wp_swen_guru_comments.comment_ID, wp_swen_guru_comments.comment_post_ID, wp_swen_guru_comments.comment_author, wp_swen_guru_comments.comment_date, wp_swen_guru_comments.comment_date_gmt, wp_swen_guru_comments.comment_content, wp_swen_guru_comments.user_id, wp_swen_guru_commentmeta.meta_value as question_title, wp_swen_guru_users.display_name FROM wp_swen_guru_comments INNER JOIN wp_swen_guru_commentmeta ON wp_swen_guru_comments.comment_ID = wp_swen_guru_commentmeta.comment_id INNER JOIN wp_swen_guru_users ON wp_swen_guru_comments.user_id = wp_swen_guru_users.ID WHERE wp_swen_guru_comments.comment_post_ID = 87838 AND wp_swen_guru_comments.user_id = AND wp_swen_guru_comments.comment_type = 'tutor_q_and_a' AND meta_key = 'tutor_question_title' ORDER BY comment_ID DESC LIMIT 0, 20;