Basic errors returned when submitting a request.
| Error Message | Description |
|---|---|
| No XML | No XML query provided in the request. |
| Wrong XML | The XML query provided in the request is not correctly formatted. |
| Wrong query format | The XML does not contain the correct root element. |
| Invalid action | The Action parameter is empty, or is not in the list of allowed actions. |
| Wrong user id or key | The user ID / user key pair was not found. |