The following problems were found:

• 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.
• You cannot add "22B2HM2 22" Full HD (1920 X 1080) 100Hz LED Monitor, Adaptive Sync, VGA X1, HDMI X1, Flicker-Free, Low Blue Light, HDR Ready, VESA, Tilt Adjust, Earphone Out, Eco-Friendly" to the cart because the product is out of stock.
• You cannot add "Desktop Computer, Prebuilt PC AMD Ryzen 7-5700G 8 Core 3.9Ghz, 16G DDR4 RAM, 1TB NVME SSD, Tower Computer with 650W Power Supply for Home and Office (White)" to the cart because the product is out of stock.
• You cannot add "Mini PC Desktop, Desktop PC Pentium 12Th Gen N100 (Up to 3.4Ghz), 16GB RAM 512GB Pcie SSD 4K Triple Display, USB3.2 Type-C Wifi6 BT5.2, VESA, Compact and Light for Home Office Education Win 11" to the cart because the product is out of stock.