Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in C:\xampp\htdocs\pages\zones\zone_named.php:54 Stack trace: #0 C:\xampp\htdocs\pages\zones\zone_named.php(267): isChecked('755100') #1 C:\xampp\htdocs\routes.php(43): require_once('C:\\xampp\\htdocs...') #2 C:\xampp\htdocs\index.php(207): require_once('C:\\xampp\\htdocs...') #3 {main} thrown in C:\xampp\htdocs\pages\zones\zone_named.php on line 54