Failed to show data from newly added Github organization

Problem

While adding a new GitHub organization to your Confluence, it does not show any authorization option, and configuring macro details on the page results in a 400 error.

Solution

This issue happens mostly due to an active session of Github in your browser. By default, Github Macros for Confluence takes the current session to access any organization or data.

Log out of any active session of Github in your browser.
Navigate to Settings > Manage apps > Github Macros for Confluence. Then, click Configure to open the app configuration page.

Enter a name for the token and click Create new Link. An intermediate page is then displayed.

Click on Start Workflow and enter your GitHub login credentials to add a new token entry.

Configure macro on page with required details to show data. As an example below -

You will need administrator access to add new token.
You can further review Configuring Github Macros for Confluence (Cloud) to know more about app.