Error 21917328: The provided payment business policy identifier is invalid.

Check the SellerPaymentProfile container to see which payment business policy you are using. Verify if the ID and/or name of the policy is valid for the seller's account. You can use the getPaymentPolicies method of Account API v1 to retrieve all payment business policies defined for the seller on a specific eBay marketplace. A seller can also go to the Business Policies page in My eBay to check payment policies.