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

# Troubleshooting Queries

- [Error code 502](https://docs.prophaze.com/troubleshooting-queries/error-code-502.md)
- [Error code 504](https://docs.prophaze.com/troubleshooting-queries/error-code-504.md)
- [Error Code 503](https://docs.prophaze.com/troubleshooting-queries/error-code-503.md)
- [Error Code 403](https://docs.prophaze.com/troubleshooting-queries/error-code-403.md)
- [Unknown Error](https://docs.prophaze.com/troubleshooting-queries/unknown-error.md)