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

# Troubleshooting

### OAUTH ERROR: failed to retrieve client id

<figure><img src="/files/ZFlGfB6riYDuKjqtMfXe" alt="" width="512"><figcaption></figcaption></figure>

If you encounter an error while linking Juble.io and Kustomer, it's possible the Juble.io app hasn't been installed within your Kustomer instance yet.

Head back to Step 1 of this documentation and follow the instructions for installing the Juble.io app. Once installed, you can proceed with linking Juble.io and Kustomer.

{% content-ref url="/pages/crpvWSZUXGoTtyJfqPbH" %}
[Install the Juble.io Kustomer App](/helpdesks/kustomer/install-the-juble.io-kustomer-app.md)
{% endcontent-ref %}