> For the complete documentation index, see [llms.txt](https://docs.arken.ag/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arken.ag/resources/common-error-messages.md).

# Common Error Messages

| Error Messages                                              | Reasons                                                                                                                                                     | Solutions                                              |
| ----------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------ |
| execution reverted: Return amount is not enough.            | The amount of actual swapping tokens from the route obtained from API gave fewer results than the user's minimum receives.                                  | Increase slippage.                                     |
| execution reverted: Received token is not enough.           | The destination token has its own tax.                                                                                                                      | Increase slippage.                                     |
| execution reverted: TransferHelper: TRANSFER\_FROM FAILED.  | There was a problem with the tokens used in the swap hop, it could be bought but could not be sold.                                                         | -                                                      |
| execution reverted: BEP20: transfer amount exceeds balance. | The input token amount had more value than the user's balance. This error was probably caused by the balance in our platform was not being updated in time. | <p>Refresh your browser.</p><p>Wait and try again.</p> |
| execution reverted: Pancake:K.                              | <https://docs.pancakeswap.finance/help/troubleshooting>                                                                                                     | Try swapping directly at each DEX.                     |
| execution reverted: ApeSwap:K.                              | same with Pancake:K.                                                                                                                                        | Try swapping directly at each DEX.                     |
| execution reverted: WaultSwap:K.                            | same with Pancake:K.                                                                                                                                        | Try swapping directly at each DEX.                     |