Hello @Job Horvers ,
Welcome to the Microsoft Q&A platform.
It’s an intermittent issue. I would suggest you to re-try again and check if that works.
OR
I would suggest you to login using https://adf.azure.com/.
In case if you are facing the same issue. You may try the following steps and let us know.
- Clear “Cookies and Cached data” of your browser.
- Private Mode (New InPrivate Window).
- Try in a different browser.
Hope this helps. Do let us know if you any further queries.