If your map is not working and shown error like this.
Oops! Something went wrong.
This page didn't load Google Maps correctly. See the JavaScript console for technical details.
So its means you have not insert Google MAP API key in theme options.
Please go to WordPress Dashboard --> Classiera Options --> Google Settings --> Scroll down and here you will see option for "Google API Key" Please put your API key there.
If you don't know how to create Google MAP API key then visit this link for help.
http://www.tthemes.com/get-google-api-key/