> For the complete documentation index, see [llms.txt](https://bohd4nx.gitbook.io/pyfragment/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bohd4nx.gitbook.io/pyfragment/advanced/troubleshooting.md).

# Troubleshooting

When something breaks, start here. Most issues are caused by cookies, session state, or wallet balance.

## Auth/session errors

Symptoms:

* Fragment page hash cannot be extracted,
* bad status loading Fragment pages,
* missing request IDs.

Actions:

* re-login on fragment.com,
* refresh cookies,
* ensure all `stel_*` keys are present.
* verify constructor payload in [Library and Configuration](/pyfragment/setup-guide/configuration.md).

**Re-login + fresh cookies solves the majority of auth errors.**

## Cookie extraction errors

Symptoms:

* browser not supported,
* cannot read browser profile,
* required cookies not found.

Actions:

* install `pyfragment[browser]`,
* close locked browser profiles,
* use manual cookies if needed.

## Balance/transaction failures

Symptoms:

* low TON/USDT balance errors,
* broadcast failures,
* duplicate seqno retries.

Actions:

* keep GRAM (ex TON) reserve for fees,
* ensure USDT is on the **Fragment-linked wallet**,
* retry after short delay when seqno collisions happen.
* check operation constraints in Stars/Premium/Ads method pages.

## SSL-related broadcast failures

If you get SSL-related transaction errors:

```bash
pip install --upgrade certifi
```

On macOS, also run Python's `Install Certificates.command` if needed.


---

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