Fatal error: Uncaught mysqli_sql_exception: Unknown thread id: 1917922 in /usr/share/pear/DB/mysqli.php:403
Stack trace:
#0 /usr/share/pear/DB/mysqli.php(403): mysqli_query(Object(mysqli), 'KILL 1917922')
#1 /usr/share/pear/DB/common.php(1219): DB_mysqli->simpleQuery('KILL 1917922')
#2 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/php/config.inc.php(179): DB_common->query('KILL 1917922')
#3 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/homepage/index.php(253): require_once('/home/httpd/vho...')
#4 /home/httpd/vhosts/swisscleanroomconcept.ch/httpdocs/index.php(16): require_once('/home/httpd/vho...')
#5 {main}
  thrown in /usr/share/pear/DB/mysqli.php on line 403