Checkout

<h1>Checkout</h1>
<br />
<b>Fatal error</b>:  Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/saltsof/public_html/app/views/cart/checkout.php:21
Stack trace:
#0 /home/saltsof/public_html/core/View.php(33): include()
#1 /home/saltsof/public_html/app/controllers/CartController.php(164): Core\View-&gt;render('cart/checkout')
#2 [internal function]: App\Controllers\CartController-&gt;checkoutAction()
#3 /home/saltsof/public_html/core/Router.php(54): call_user_func_array(Array, Array)
#4 /home/saltsof/public_html/index.php(33): Core\Router::route(Array)
#5 {main}
  thrown in <b>/home/saltsof/public_html/app/views/cart/checkout.php</b> on line <b>21</b><br />