Error handling
In the case of an error, the function call is rejected with a specific message
| Message | Description |
|---|---|
| not_allowed | operation is not allowed, a secure (TLS/SSL) connection is required |
| no_implementation | Plugin/extension is blocked or not installed |
| no_certificates | No certificate available |
| user_cancel | The user has canceled the operation |
| invalid_argument | Invalid parameter specified in function request |
| technical_error | Unknown technical error |
| pin_blocked | Smart card PIN is blocked |
