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

# Troubleshooting

> Common issues and how to resolve them.

## No model or provider configured

The composer shows a prompt to configure a provider. Open **Settings** > **API Providers** and add a key, then select a model from the model selector.

## Provider key issues

* **Key not saved** — Make sure you clicked **Save** after entering your key.
* **Key deleted** — Re-enter and save the key.
* **Models not synced** — After saving a key, models sync automatically. Use the refresh button in the model selector to trigger a manual sync.

## Vision not working

Not all models support vision. If you attach an image or use `/vision` and get an error, try switching to a model that supports vision inputs.

## File upload fails

* Check that the file is under 20 MB.
* Make sure the file type is supported (txt, md, json, csv, pdf, png, jpg, and others listed in [Add context](/add-files-images-screenshots-and-page-context)).
* If the file is too large or unsupported, the extension shows a message explaining the issue.

## Microphone not working

* The extension needs microphone permission to use voice input. If the permission prompt was denied, update your Chrome site permissions for the extension.
* Browser speech recognition must be available in your browser.

## Locked features

Some features require Pro access. Ensure that you purchase a Pro license key, and redeem it through the account access flow. See [Plans and access](/plans-and-access) for details.

## Session expired

If you're asked to sign in again, your session has expired. Sign in with your account to restore access.

## Browser page unavailable

The assistant may not be able to access certain Chrome system pages (like `chrome://` URLs) or pages where the extension doesn't have tab access. Try navigating to a standard web page.