Live View not working

I have the same problem but the solution did not fix the problem. Live view stopped working yesterday. I tried a different network (2.4 vs 5G) but neither works. When I go to live view, I get a half blue circle that locks up my phone. No live view. I tried it over the cell network with the same result.

I don’t know what is meant when Marley says the help desk helped her “reset her network”. My live view is still not working.