Connection failed: SQLSTATE[HY000] [1045] Access denied for user 'langendorn'@'localhost' (using password: YES)<br />
<b>Warning</b>:  Undefined array key "q" in <b>/var/www/html/db_get_quiz_sumcal_participation_by_member.php</b> on line <b>7</b><br />
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<b>Warning</b>:  Undefined variable $pdo in <b>/var/www/html/db_get_quiz_sumcal_participation_by_member.php</b> on line <b>13</b><br />
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<b>Fatal error</b>:  Uncaught Error: Call to a member function query() on null in /var/www/html/db_get_quiz_sumcal_participation_by_member.php:13
Stack trace:
#0 {main}
  thrown in <b>/var/www/html/db_get_quiz_sumcal_participation_by_member.php</b> on line <b>13</b><br />