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

# Error Codes

- [Authentication errors](https://docs.toucanai.cloud/references/error-codes/authentication-errors.md)
- [Data errors](https://docs.toucanai.cloud/references/error-codes/data-errors.md)
- [Embedding errors](https://docs.toucanai.cloud/references/error-codes/embedding-errors.md)