   forum_id smallint(8) NOT NULL default '0',
   topic_title varchar(60) NOT NULL default '',
   user_id mediumint(8) NOT NULL default '0',
-  topic_time datetime NOT NULL default '0',
+  topic_time timestamp default null,
   topic_views mediumint(8) default '1',
   topic_replies mediumint(8) default '0',
   topic_status tinyint(3) default '0',

  topic_last_post_id mediumint(8) NOT NULL default '0',
  moderated smallint(1) default '0',
  session varchar(50),
  time datetime,
  KEY  (topic_id),
  KEY (forum_id),
  KEY(user_id),

  privmsgs_subject varchar(255) NOT NULL default '',
  privmsgs_from_userid mediumint(8) NOT NULL default '0',
  privmsgs_to_userid mediumint(8) NOT NULL default '0',
  privmsgs_date timestamp default null,
  privmsgs_ip varchar(8) NOT NULL default '',
  privmsgs_enable_bbcode tinyint(1) NOT NULL default '1',
  privmsgs_enable_html tinyint(1) NOT NULL default '0',
