Warning: Undefined variable $link in /home/ofhwctm/www/spiteurs/site/activites/nouvelle.php on line 17

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/ofhwctm/www/spiteurs/site/activites/nouvelle.php:17 Stack trace: #0 /home/ofhwctm/www/spiteurs/site/activites/nouvelle.php(17): mysqli_query(NULL, 'SELECT COUNT(*)...') #1 {main} thrown in /home/ofhwctm/www/spiteurs/site/activites/nouvelle.php on line 17