Exception occurred while retrieving the top-level SharePoint folders for team 'ACME Project 1' with group ID '00000000-0000-0000-0000-000000000000'.
The remote server returned an error: (400) Bad Request.
This error occurs when the Team doesn't have any files associated with it.
Within Microsoft Teams, navigate to the Team and click on 'Files' tab. This will trigger a SharePoint site to be provisioned for the purpose of storing files.
- Microsoft Teams Assessment