Could not obtain topic information

DEBUG MODE

SQL Error : 1064 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 '' at line 8

SELECT t.*, u.username, u.user_id, u2.username as user2, u2.user_id as id2, p.post_time, p.post_username FROM phpbb_topics t, phpbb_users u, phpbb_posts p, phpbb_users u2 WHERE (t.forum_id = 1 OR t.topic_type = 3) AND t.topic_poster = u.user_id AND p.post_id = t.topic_last_post_id AND p.poster_id = u2.user_id AND (t.topic_type = 2 OR t.topic_type = 3) ORDER BY t.topic_type DESC, t.topic_last_post_id DESC ,

Line : 342
File : viewforum.php