Lines between Point not showing

Hello at all 🙂

I use the plugin just to test if everything works. everything works, but how exactly do I do the lines of post 1 to 2 post and so can someone explain step by step what I need to do to me?

i have 1 global map here: http://globetrotterfamily.com/reiseroute-globetrotterfamily/

then i have 2 posts with the category “on the road” and the tag “ausrüstung”here: http://globetrotterfamily.com/test-route-punkt-1/ and here: http://globetrotterfamily.com/test-route-punkt-2/

i have set google map and open layer, bit it still not works 🙁
the colors in the global map setting are set to red.

can you help please?

https://wordpress.org/plugins/geo-mashup/