| HTTP Status Code | Error Code | Error Message | Cause and Action |
|---|---|---|---|
400 | Y400 | {0} | You have not invoked the API service per our recommendations and implementation notes. |
400 | Y400 | Credentials have to be encrypted | The PKI feature requires that you enter encrypted credentials and answers. |
400 | Y400 | Accessibility denied | The API you called is not available in a sandbox environment.
Example:
You may be trying to register a new user on the developer portal environment. |