Help / Manage Inventory / Create and manage inventory / Error code explanations / 90000 Series Error Codes / Error 99103
A value is required for product-id when the provided SKU is not already matched to an ASIN.
(Error) Your input file is missing a value for the product ID. When the provided SKU is not matched with an ASIN, the product ID is required. Provide a product ID and resubmit your feed.