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In order to use address feature you need to enable the Geocoding Service.
I have my API key installed and Geocoding is activated in the google console.
I think it is an error in the core.map.jsver=1.9.13 at row 681.
The google browser console says: Uncaught TypeError: Cannot read property ‘toString’ of undefined at gmpAutocomleateData
I found the problem and I think it is a bug in your code.
In the map options there is a tickbox for “deactivate Tooltips for Marker”.
If the box is ticked the search function in the frontend doesn’t work.
If the box is unticked the seach function in the frontend works.
The search function works in the backend (map) independenr from the setting of the box.