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 "Multivitamin for Men & Women: Multivitamin Gummies with Vitamin D3, C, Vitamin B12, B6, A, K & Zinc, Omega 3 Fish Oil (EPA/DHA), Biotin, Gluten Free, 180 Count (30 Day Supply)" to the cart because the product is out of stock.