Mysql query error  :  | SQL : select `idarticle` from `blogread_tags` where `name` = 'RE2C'<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:61
Stack trace:
#0 /data1/www/htdocs/511/blogread/1/includes/base/db.mysqli.class.php(50): yayuMySQLi-&gt;fetch_assoc('select `idartic...')
#1 /data1/www/htdocs/511/blogread/1/it/tags.php(61): yayuMySQLi-&gt;assoc_arr('select `idartic...')
#2 {main}
  thrown in <b>/data1/www/htdocs/511/blogread/1/includes/base/db.mysqli.class.php</b> on line <b>61</b><br />