Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/users/pzd-bialystok/public_html/zamowienia/index.php:49 Stack trace: #0 {main} thrown in /home/users/pzd-bialystok/public_html/zamowienia/index.php on line 49