> For the complete documentation index, see [llms.txt](https://docs.butternetwork.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.butternetwork.io/butter-swap-integration/butter-api-for-routing/error-code-list.md).

# Error Code List

| error code | error type                                |
| ---------- | ----------------------------------------- |
| 2000       | Parameter error                           |
| 2001       | The Chain not Support                     |
| 2002       | The Token not Support                     |
| 2003       | No Route Found                            |
| 2004       | Insufficient Liquidity                    |
| 2005       | Slippage Out of Range                     |
| 2006       | Insufficient amount                       |
| 2007       | Invalid address                           |
| 2017       | Service is busy, please try again later   |
| 2018       | Risky from address                        |
| 2019       | Quote changed, please request a new route |