ReferenceError: google is not defined
I have tried this with a clean RailsApp and this reproduces the error.
I'm running on rails 3.2.7 and the latest railsadmin version
Yeah, rails_admin_map_field appears to be not up to RailsAdmin's Pjax utilization.
Please submit issue to rails_admin_map_field developers.
It is maintained independently by different maintainers.