Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/kdas/www/inc/header.inc:65 Stack trace: #0 /home/kdas/www/table_of_contents_display.php(4): require_once() #1 {main} thrown in /home/kdas/www/inc/header.inc on line 65