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

# Troubleshooting

| Symptom                                                                    | Likely cause                                                       | Fix                                                                                               |
| -------------------------------------------------------------------------- | ------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------- |
| Widget never mounts; console shows `[ChatbotWidget] Invalid configuration` | `accessToken` is missing/empty, or `corpusIds` is missing/empty    | Both are required — pass a non-empty `accessToken` and a `corpusIds` array with at least one id.  |
| Widget loads but no history / messages fail                                | Missing or invalid `accessToken` (API returns `401`)               | Provide a valid, non-expired access token.                                                        |
| `ChatbotWidget is not defined`                                             | The script tag hasn't loaded before your `mountChatbotWidget` call | Place your inline script **after** the CDN `<script>` tag, or wait for `DOMContentLoaded`.        |
| Nothing appears                                                            | The target element doesn't exist yet                               | Ensure the container (e.g. `#verbatim-chatbot`) is in the DOM before mounting.                    |
| Widget looks unstyled                                                      | Style isolation is off and the stylesheet isn't loaded             | Add the `index.css` link, or remove `isolateStyles: false` to use the default Shadow DOM styling. |
| Answers ignore your documents                                              | Wrong or missing `corpusIds`                                       | Pass the correct corpus IDs for your account.                                                     |
| Custom trigger doesn't open the widget                                     | `openTriggerId` doesn't match an element `id`                      | Make sure the `id` exists and matches exactly.                                                    |

***

*Need an access token or corpus IDs? Contact your Verbatim administrator.*


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