Hi Cory, we thought we had it resolved, and was finally able to access the file. Go thru “step 1”, then go the not supported white screen again.
try regenerating your API code at this link https://developers.google.com/maps/documentation/javascript/
I just found this answer somewhere else and it worked for me to get it working!
I’m having the same problem, I cannot get a new installation to work. Really hoping we get an answer