PlaceOrderAndAuthorize_API fails, problem report contains the following error:
ERROR: null value in column "AddedByUsersID" violates not-null constraint
Account specified for the API does not have users, it was created with
Correct way to create account and place sales order at once is to use
PlaceOrderAndAuthorize_API for all these actions.
This API can create Account and staff member as well as Sales Ord.
Refer to Billing 7.2 OA Billing Public API Reference