Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /home/gestion/www/gestion/sys/connect.php:15 Stack trace: #0 /home/gestion/www/gestion/sys/config.php(21): include() #1 /home/gestion/www/gestion/playoff_tree.php(4): require_once('...') #2 {main} thrown in /home/gestion/www/gestion/sys/connect.php on line 15