The server may return JSON with errors:
{"error":<code>}
| Error code | Description |
|---|---|
| 0 | Successful operation (for example for logout it will be success exit) |
| 1 | Invalid session |
| 2 | Invalid service name |
| 3 | Invalid result |
| 4 | Invalid input |
| 5 | Error performing request |
| 6 | Unknown error |
| 7 | Access denied |
| 8 | Invalid user name or password |
| 9 | Authorization server is unavailable |
| 1001 | No messages for selected interval |
| 1002 | Item with such unique property already exists |
| 1003 | Only one request is allowed at the moment |