connection failed: SQLSTATE[08004] [1040] Too many connections<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /home/senmasa/www/classes/util/db.class.php:103
Stack trace:
#0 /home/senmasa/www/classes/exam/Question.class.php(13): db-&gt;DB2Single('select * from e...', Array)
#1 /home/senmasa/www/ex.senmasa.com/question.php(9): Question-&gt;__construct('add', '16', '441523524353302...')
#2 {main}
  thrown in <b>/home/senmasa/www/classes/util/db.class.php</b> on line <b>103</b><br />