Connection failed: SQLSTATE[HY000] [2006] MySQL server has gone away<br><br />
<b>Warning</b>:  Undefined variable $db in <b>/var/www/html/header.php</b> on line <b>7</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /var/www/html/header.php:7
Stack trace:
#0 /var/www/html/stats-team.php(11): include()
#1 {main}
  thrown in <b>/var/www/html/header.php</b> on line <b>7</b><br />