Error in get_map using ggmap in R

Question

About 90% of the time, when using get_map in ggmap, I get the following error. Can someone please tell me why?

map <- get_map(lo         


        

Answer 1

The "zoom = 4" is, per documentation, "reserved for google business users only." I can't find much documented on why this would work intermittently or at all for a non-business user, but that's my best guess.