> ## Documentation Index
> Fetch the complete documentation index at: https://nexaid.hashkey.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Error Code

We have defined some error codes in the SDK. When an error occurs during the data verification process, you can refer to the following list for troubleshooting.

### 1. General Errors

| Error Code | Situation                                                                                                                    |
| ---------- | ---------------------------------------------------------------------------------------------------------------------------- |
| 00000      | Operation too frequent. Please try again later.                                                                              |
| 00001      | Algorithm startup exception.                                                                                                 |
| 00002      | The verification process timed out.                                                                                          |
| 00003      | A verification process is in progress. Please try again later.                                                               |
| 00004      | The user closes or cancels the verification process.                                                                         |
| 00005      | Wrong SDK parameters.                                                                                                        |
| 00012      | Invalid Template ID.                                                                                                         |
| 00013      | Target data missing. Please check that the JSON path of the data in the response from the request URL matches your template. |
| 00104      | Not met the verification requirements.                                                                                       |
| -1002001   | Invalid App ID.                                                                                                              |
| -1002002   | Invalid App Secret.                                                                                                          |

### 2. zkTLS Related Errors

| Error Code     | Situation                                           |
| -------------- | --------------------------------------------------- |
| 10001 \~ 10004 | Unstable internet connection. Please try again.     |
| 20001          | An internal error occurred.                         |
| 20003          | Invalid algorithm parameters.                       |
| 20005          | An internal error occurred.                         |
| 30001          | Response error. Please try again.                   |
| 30002          | Response check error.                               |
| 30004          | Response parse error.                               |
| 40002          | SSL certificate error.                              |
| 50001          | An internal error occurred.                         |
| 50003          | The client encountered an unexpected error.         |
| 50004          | The client not started. Please try again.           |
| 50006          | The algorithm server not started. Please try again. |
| 50007          | Algorithm execution issues.                         |
| 50008          | Abnormal execution results.                         |
| 50009          | Algorithm service timed out.                        |
| 50010          | Compatibility issues during algorithm execution.    |
| 50011          | Unsupported TLS version.                            |
| 99999          | Undefined error.                                    |

Please contact our [Community](https://discord.com/invite/pdrNxRrApX)
for assistance in resolving the issues.