In the report, for product feed, you get one or more messages like this one:
Message: 1 Warning 99041: SKU: LFTM59011RD - A value was not provided for "bullet_point1". Please provide a value for "bullet_point1". This information appears on the product detail page and helps customers evaluate products.
On your product sheets extension, you have not filled in “Product Key Features” fields which are mandatory, especially because they allow you to improve your product positioning on Amazon :
Solution: Fill in product key features on your product sheets
Version 4: It is possible to inform these key features globally and automatically for all the products affected by the profile.