Forum Discussion
PQ Online cache/visual bug? Perpetual loading screen (Datamarts and Dataflow)
Update 2023-05-10, can't author new Flows or Marts anymore: Tried the browser debugger. It complains about 404: An iframe has both allow-scripts and allow-same-origin for its sandbox. 403 on /met...
This seems to be the same case. Going to check if I can get Firefox installed on my work computer.
Solved: Dataflow page not loading - Microsoft Power BI Community
Edit: Did not work.