> For the complete documentation index, see [llms.txt](https://docs.innopaas.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.innopaas.com/api-reference/api-reference-en/voice-api/error-codes.md).

# Error Codes

| <p><br>Description</p> |                                              |
| ---------------------- | -------------------------------------------- |
| 200000                 | Success                                      |
| 400001                 | Parameter validation error                   |
| 500000                 | System error                                 |
| 500001                 | Failed to call upstream provider API         |
| 500002                 | Data processing error                        |
| 500003                 | Business operation failed                    |
| 500005                 | Account balance error                        |
| 504000                 | System timeout                               |
| 500006                 | Database insert error                        |
| 500008                 | Request rate limit exceeded                  |
| 500009                 | Please create the file template manually     |
| 500010                 | Repeated call to the same number             |
| 500011                 | Duplicate data                               |
| 500012                 | Account-to-template mapping failed           |
| 600001                 | Voice notification template does not exist   |
| 600002                 | Voice notification template status error     |
| 600003                 | Number pool does not exist                   |
| 600004                 | Number pool file does not exist              |
| 600005                 | Signature failed                             |
| 700000                 | This number has already been bound           |
| 7000001                | Failed to create voice notification template |
| 700010                 | Binding relationship does not exist          |