Help / Manage Inventory / Create and manage listings / Error code explanations / 8000 Series Error Codes / Error 8018
Cannot delete a non-existing relationship for SKU [%s]. For full details, see http://sellercentral.amazon.co.uk/gp/help/23861
This error occurs when you use a relationships feed to delete a relationship that does not exist. To resolve this error, you should do the following: