The problem is that in order to edit the API key, you need to first be able to LOAD the map, which fails without an API key. How an we change this setting outside of the map dialog itself? Is there a CLI command?
Not sure if you are still having the issue, but if anyone else encounters this problem this is how I reverted the changes: 1. Navigate to the URL that is the System Settings page of the controller (it is just the dashboard URL that is broken): https://[ControllerIP]/admin10/conf_system.jsp
2. Scroll to the bottom and clear the Configure Map section of the API key you put in
3. Apply the changes and try the dashboard page again.