Mysql query error  :  | SQL : select *
			from `blogread_weibo_user`
				where `uid` = 3<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function fetch_assoc() on null in /data1/www/htdocs/511/blogread/1/includes/base/db.mysqli.class.php:46
Stack trace:
#0 /data1/www/htdocs/511/blogread/1/it/includes/db/dbWeibouser.class.php(25): yayuMySQLi-&gt;fetch_assoc_one('select *\r\n\t\t\tfr...')
#1 /data1/www/htdocs/511/blogread/1/it/includes/action/weibouser.class.php(22): db_weibouser-&gt;wbuser_get_by_uid('3')
#2 /data1/www/htdocs/511/blogread/1/news/includes/action/news.class.php(440): weibouser-&gt;weibouser_get_by_uid('3')
#3 /data1/www/htdocs/511/blogread/1/news/item.php(47): news-&gt;news_like_who(16174)
#4 {main}
  thrown in <b>/data1/www/htdocs/511/blogread/1/includes/base/db.mysqli.class.php</b> on line <b>46</b><br />