Can’t generate results with Leadflow360

The most common reason that will cause this problem is an API key that is not linked with a valid billing account.

Have you also enabled billing on Google? Although they provide free credits, this must be done in order to work. 

Also please see from video tutorials and PDF guide that there are two APIs you must enable. (Google Maps Javascript API and Places API)

Go to Settings page > API Key > and follow the two video tutorials there or the PDF guide.