We have identified that you may be attempting to contribute (for example, change detail page, create or update offer and so on) to this generic ASIN on which you've not contributed in the past

Hi everyone,

I was trying to add product to inventory then error 5885 came up , the product is already available in amazon and there is many fba sellers selling it already , i scanned the item and it’s eligible to sell any advice pls ?

We have identified that you may be attempting to contribute (for example, change detail page, create or update offer and so on) to this generic ASIN on which you’ve not contributed in the past.

If you seek to make changes, such as extending this ASIN to a new store, creating a new variation relationship, updating ASIN attributes or adding offers to sell the product, you may create a new ASIN by following the process as outlined in our Add a Product tool. For more information, go to Amazon’s Generics Policy.

If you believe you are complying with our policy, contact Selling Partner Support and mention the error code 5885. When contacting Selling Partner Support, provide the following information:

• Product title • Marketplace ID • SKU • ASIN • If you are using inventory file templates, provide the Batch ID of the Inventory file process report.

You won’t be able to make any changes to a generic ASIN per Amazon’s latest policy. All you can do is create your own ASIN.

@boris789 is correct. Recently, Amazon inteoduced a new policy prohibiting the updates to Generic ASINs by third parties. This is to prevent sellers from taking control of generic listings and hijacking them into updating them to their own trademarked brand to prevent others from joining the listing:

“If you try to edit or add offers on another seller’s generic product, you’ll receive an error message in feeds or in the one-to-one listing process. You will then be guided to create a new product in the Add a Product tool.”