A user might see one of the following messages. The user should follow the on-screen instructions and refer back to the retailer or service that they were attempting to order a product or service from, as it will be necessary to re-start the process or to validate eligibility in a different way.
- Error: client ID missing or client not registered
- Error: missing or misconfigured redirect URL
- Error: unable to retrieve state
- Error: transaction already completed
- Unknown Error