Amazon error 8026: Not authorised to list in this category
What does it mean?
Your account needs approval for the category. Approvals are per marketplace and can lapse.
How to fix it
Request approval in Seller Central.
Where do you fix it?
- In Seller Central: application or setting
- 6024Not authorised to list in this product line, category or brand
- 6039Approval is needed for a restricted sub-category
- 6042The item is restricted for this product type
- 18299Not currently approved to sell this product
- 90202A restriction is in effect for this item
- 8059The item is restricted by Amazon in your region
- 8543The SKU matched an ASIN that has listing restrictions
- 4400Not approved for seller-fulfilled offers in this category
Source
Summarised in our own words; Amazon's page is leading.