I\'ve recently been doing development upgrading our maps to v3 and during development I was using my own personal key. Everything was working fine. When it was time to go to
I was able to resolve this issue by simply generating a new browser key. I generated, threw it in the browser, the map loaded. Then I went in and copied my referrers over from the previous key. Saved. Refreshed. And it still worked. I honestly think it was a bug on Google's end and the day we were generating the original keys it was spitting out invalid keys.