Hello,
I’m sorry that you’re running into this issue with the map, but I’ll be happy to help you out!
As a first step, can you try running through the instructions here to make sure that you have configured and saved your Google Maps API key correctly?
Next, can you also try upgrading to the current version of WordPress (4.9.8)?
If you’re still seeing the same thing after running through those steps, can you then try switching back to the default environment, clearing out your browser cache any caching that you might be doing on your site, and see if you’re still seeing the same thing?
Please let me know what you find!