> For the complete documentation index, see [llms.txt](https://pluton-finance.gitbook.io/pluton-fnance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pluton-finance.gitbook.io/pluton-fnance/technical/integration-guide/error-reference.md).

# Error Reference

* **Error Codes**: Each error returned by the protocol is documented with its meaning and recommended handling.
* **Common Errors**:
  * `ERR_NO_SOLVER`: No solver available for the requested intent.
  * `ERR_INVALID_QUOTE`: Submitted quote does not meet protocol requirements.
  * `ERR_EXECUTION_FAILED`: On-chain execution did not complete as expected.
  * `ERR_VERIFICATION_FAILED`: Protocol could not verify on-chain fulfillment.
  * (See full error list in the [API documentation](https://api.plutonlabs.xyz/swagger#/).)