What causes error 8026?
This error occurs when you submit the product data for a category in which you are not authorised to list. You will need to obtain approval from Amazon before listing in certain product categories.
Seller is not authorised to list products in this product line or category.
How to solve and prevent error 8026:
Refer to the Help page for more details on the various categories and requirements for obtaining approval. Visit the Categories and products requiring approval page, and follow the instructions to submit your application.
Note: These restrictions might be marketplace-specific. You must only list products in their appropriate product categories. The “Everything Else” category is available to all and is primarily for collectibles, such as coins and stamps, and other products that do not clearly belong in other categories. Do not list a product in the “Everything Else” category if the product matches an existing product page, belongs in a category that requires approval or is restricted or prohibited.
Certain products cannot be listed at all on Amazon. Learn more about our Restricted Products and Selling Policies.