The following problems were found:

• You cannot add "Portable Sauna Box for Home - Four-Sided Full-Size Steam Sauna Tent with 3 L Steamer, Chair, Remote Control, Infrared, Health Benefits and Relaxation" to the cart because the product is out of stock.
• You cannot add "Gaming Desktop Intel Core I5-12400F 6 Core 2.5Ghz PC Computer, RTX 4060 8G, 32G DDR4 RAM, 1TB NVME SSD, Prebuilt Gaming PC Tower Computer for Home and Office (White)" to the cart because the product is out of stock.
• You cannot add "15.6" Fhd-Ips-Business Laptop, 8 Cores Intel I5-12450H 32GB RAM 1TB Ssd(Beat I7-11800H, up to 4.4 Ghz) Computer with 100W Type-C Fingerprint Backlit Keyboard Wifi-6 Numpad Win 11" to the cart because the product is out of stock.