> ## Documentation Index
> Fetch the complete documentation index at: https://oxy.tech/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshooting

> Symptom → cause → fix for the most common Oxygen issues

<Note>
  This is the single canonical troubleshooting hub. If you can't find your
  issue here, ping us in [Discord](https://discord.gg/m677N4EcRK) or open a
  ticket from **Manage → Support**.
</Note>

## Common errors

| Symptom                                             | Likely cause                                                                     | Fix                                                               |
| --------------------------------------------------- | -------------------------------------------------------------------------------- | ----------------------------------------------------------------- |
| "LLM key not set" banner on the home page           | The agent you selected uses a provider with no key configured for this workspace | **Manage → Secrets** → add the relevant provider key              |
| Chat answer stops mid-stream                        | Connection dropped or the Stop button was hit                                    | Click **Retry** on the assistant message; the thread is preserved |
| "No data found" on every chart after switching apps | Stale cache from the previous app                                                | Reload the page or append `?refresh` to the app URL               |
| Slack bot doesn't post                              | Workspace not linked, or the channel isn't a member of the bot                   | Re-run **Manage → Integrations → Slack → Reauthorize**            |
| Schema browser shows no Snowflake columns           | A numeric/date column failed the type-cast probe                                 | Refresh the connection; if it persists, contact support           |

## Topic pages

* [Debugging agents](/docs/guide/resources/troubleshooting/debugging)