[Plugin: Google Maps v3 Shortcode] do_shortcode with marker="yes" not working

The map displays, but there are no markers.

I’m using do_shortcode(‘[map …… marker=”yes” ]’)

https://3thoughtdev.com/fmc/rink/auburn-horgan-arena/

https://www.ads-software.com/extend/plugins/google-maps-v3-shortcode/