Google map can't see the overview and set options

Hello,

Google map can't see the overview and set options,
But when I click Google map button, it will show on short time then disappear.

What's happen?
Please assist us to solve it.

Screenshot:
https://www.dropbox.com/s/s4lygqlejbivtas/wpmu-google%20map.jpg?dl=0
https://www.dropbox.com/s/um5nqn1zn884avy/wpmu-google%20map1.jpg?dl=0

Thank you,
Best Request.