Fatal error: Uncaught TypeError: array_column(): Argument #1 ($array) must be of type array, null given in /var/www/html/includes/helpers.php:74 Stack trace: #0 /var/www/html/includes/helpers.php(74): array_column(NULL, 'id') #1 /var/www/html/web_page/about.php(5): include_once('/var/www/html/i...') #2 {main} thrown in /var/www/html/includes/helpers.php on line 74