Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/xaydungorg/domains/xaydung.org/public_html/modules/products/Products.php:871 Stack trace: #0 /home/xaydungorg/domains/xaydung.org/public_html/libraries/controller/Controller.php(169): Products->addProductToCart() #1 /home/xaydungorg/domains/xaydung.org/public_html/index.php(16): Controller->dispatcher() #2 {main} thrown in /home/xaydungorg/domains/xaydung.org/public_html/modules/products/Products.php on line 871