In the product feed report, you get one or more messages like this one:
Error 99001: SKU: 13 - A value is required for the field "recommended_browse_nodes".
When creating your profile, you have not filled in the “Recommended Browse Node” which are mandatory and especially that they allow you to improve the positioning of your products on Amazon.
Take note of the article Amazon categorization
In the profile corresponding to the concerned products, configure then your Recommended Browse Node:
