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 "14" Galaxy Book4 Pro Business Laptop, Wi-Fi PC Computer, Windows 11 PRO, Intel Core 5 Ultra 125H / 16GB / 512GB, 3K AMOLED Touchscreen, 2024 Model, NP944XGK-KG2US, Moonstone Gray" to the cart because the product is out of stock.