This is in relation to Premium Support Forum post here - http://support.simplemap-plugin.com/discussions/problems/2478-map-not-loading
Specifically, the map is broken because of a jQuery issue in the custom theme. The developer of the custom theme responded with this:
Our theme can't use the default jquery provided by WordPress, and we have de-registered this one and registered a new one from CDN using the same key "jquery"
The issue with the SimpleMap plugin is because they enqueue the scripts using the "template_redirect" hook, which is run right after our deregistered hook is placed, so the script has as dependency the "jquery" file, and because of the step of execution there is no "jquery" on the dependency manager, so their scripts are not enqueued
This is not best WordPress practice, you should use proper hooks