> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.stock-sync.com/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).

# I keep getting the error "Temporary error () (400)"

![](https://storage.crisp.chat/users/helpdesk/website/-/b/2/1/9/b219050a5836c000/image_tox3gn.png)

The email connection error is due to a Google issue. As Google provides the link, we cannot support it and recommend contacting Google Help (https://support.google.com/) for assistance.