API Warning: Retired version #10
Description
The current version specified in the script tag is outdated (currently set as v=3.42).
Replacing this specific version number with either 'v=weekly' or 'v=quarterly' should keep it up to date automatically :)
https://developers.google.com/maps/documentation/javascript/versions#version-number
https://developers.google.com/maps/documentation/javascript/error-messages#retired-version