The following problems were found:

• You cannot add "7 Pack Double Layer Asphalt Roof Shingles for Home 39 "X13" 3-Tab Roofing Shingles Tile Repairing Self Adhesive Shed Decor for Outdoor Garage Pet House Cover 10.7 Square Feet(Red)" to the cart because the product is out of stock.
• You cannot add "3PCS Purses for Women Tote Bag and Wallet Set Shoulder Satchel Handbags" to the cart because the product is out of stock.
• You cannot add "MX Keys S Wireless Keyboard, Low Profile, Fluid Precise Quiet Typing, Programmable Keys, Backlighting, Bluetooth, USB C Rechargeable, for Windows PC, Linux, Chrome, Mac - Graphite" to the cart because the product is out of stock.
• You cannot add "WH-CH720N Noise Canceling Wireless Headphones Bluetooth over the Ear Headset with Microphone and Alexa Built-In, Black New" to the cart because the product is out of stock.