Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in C:\xampp\htdocs\mysite\include\global\listmod.php:168 Stack trace: #0 C:\xampp\htdocs\mysite\product\product.php(13): require_once() #1 {main} thrown in C:\xampp\htdocs\mysite\include\global\listmod.php on line 168