In Power BI servise when trying to connect to a new data source in OneDrive (i.e. my_workspace_name > Get Data > Files > OneDrive - Business) we get a mesage:
Do you use old version app workspace or preview new version app workspace to connect to OneDrive for business?
Please follow this article to test with old version app workspace or My Workspace to test again: https://docs.microsoft.com/en-us/power-bi/service-connect-to-files-in-app-workspace-onedrive-for-bus...
Best Regards,Qiuyun Yu