Fatal error: Uncaught TypeError: extract(): Argument #1 ($array) must be of type array, null given in /var/www/html/pc/guide/training/training_menu.php:83
Stack trace:
#0 /var/www/html/pc/guide/training/training_menu.php(83): extract()
#1 {main}
thrown in /var/www/html/pc/guide/training/training_menu.php on line 83