Amazon has introduced new requirements for some Seller Central accounts when adding Secondary Users. You may see something like this:
If you are prompted with this, click “Continue“. You will see this next:
Click “No” when asked if the User will handle return requests and/or issue refunds. You will see this next:
Then click “Save and continue“.
You should then see a “Success” message from Amazon. If you are prompted for any other forms to be filled out, you can ignore these and simply click on “Settings” in the top right corner.
Then go to “User Permissions” and you will be able to grant the needed User Permissions now. See the User Permissions page in this Knowledge Base section for how to set the permissions.