The following problems were found:

• 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 "UFO 4000 Mini Drone for Kids - LED Remote Control Drone, Small RC Quadcopter for Beginners, 2.4Ghz Remote Control, 360 Flips, 2 Speed UFO Flying Toy for Kids, 2 RC Toy Batteries" to the cart because the product is out of stock.