The following problems were found:

• You cannot add "Women'S D'Lites Fresh Start Memory Foam Lace-Up Sneaker" to the cart because the product is out of stock.
• You cannot add "2022 Macbook Air Laptop with M2 Chip: Built for Intelligence, 13.6-Inch Liquid Retina Display, 8GB RAM, 256GB SSD Storage, Backlit Keyboard, 1080P Facetime HD Camera; Space Gray" to the cart because the product is out of stock.
• You cannot add "Zero Gravity Chairs, Set of 2 Portable Recliner Beach Camping Patio Outdoor Folding Lounge Chair with Cup Holder Trays and Adjustable Pillow for Poolside, Garden, Backyard, Lawn (Blue)" to the cart because the product is out of stock.