> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://bes.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How can I fix disconnected notification errors?


![](https://storage.crisp.chat/users/helpdesk/website/8758e5f16dbc1000/screenshot-2022-05-17-at-11235_o4ppdu.png)

|| _Note! If you see a unique error and the tips below do not resolve the issue, be sure to submit it to our support team for a quick resolution._

Use the following tips:

- **Update the service page.** To do this, you can use one of the following methods:
* keyboard shortcut: _ **Ctrl + r, Shift + Ctrl + r** _ (without using cache content), and for Mac - _ **Shift + Cmd + r**;_
* browser interface button **"Update"**;
* select _"Update"_ in the context menu.

- **Clear your browser history / cache / cookies.** How to do this is described in detail [here](https://support.google.com/chrome/answer/95589).

|| _Note! Uncheck the **Passwords** when clearing history box if you want to keep the passwords that were used in the browser._

- **Check in your internet connection.**

If you still have problems after these steps, please contact our support team:

![](https://storage.crisp.chat/users/helpdesk/website/8758e5f16dbc1000/image_wk3lmo.png)

Please indicate what steps you have already tried so that we can help you better and faster.