# Error Codes

| Code | Description                                                                                    |
| ---- | ---------------------------------------------------------------------------------------------- |
| 0    | Recognition success                                                                            |
| 1001 | No recognition result                                                                          |
| 2000 | Recording error (device may not have permission)                                               |
| 2004 | Unable to generate fingerprint                                                                 |
| 3000 | Recognition service Error (HTTP error, check your network or wrong host in configuration file） |
| 3001 | Wrong Access Key                                                                               |
| 3002 | Invalid Http Request                                                                           |
| 3003 | Request count limit exceeded, please upgrade your account                                      |
| 3006 | Invalid arguments                                                                              |
| 3010 | Recognition service error                                                                      |
| 3014 | Invalid signature                                                                              |
| 3015 | QpS limit exceeded, please upgrade your account                                                |