Office 365 credentials refused when setting up data refresh in Power BI

[andreucci]

I have a weird problem that started today: I can't seem to make credentials stick when I setup new datasets for automatic refresh.

My models are usually connected to Excel, CSV or Text files on OneDrive for Business, and they've all been updating fine. I use Web.Contents() to get acces to data in the files, and I have been using this tecnique to build several reports that get data from these sources and refresh automatically with Scheduled Refresh.

Since today, new datasets accept credentials at first (OAuth2) but they immedietaly show a warning saying credentials are invalid.
If I hit details the error message clearly states my credentials are invalid where they are clearly not.

These are the error that I see every time I try to refresh the new dataset:

  

I erased all browsing data from Edge, deleted all Permissions in Power BI and tried with a couple of fresh .pbix: no luck.

I don't know if this is a temporary issue but it affects only new datasets (old one are updating fine) and I really don't know what to do.

Thanks,
Andrea