Red button

On android

Hi i could'nt find a solution to navigation not starting always red button showing on phone Galaxy A26 5G despite position following along route wether its a direct route request or a saved one reloaded or online or off line with map tile loaded, if there is no course showing speed indicator is operating as soon as a new course is on it change to red, tapping it stop & clears route.

The strange thing is that i had navigation working sometimes in previous days(occasional same problem), so i have done the usual: make sure location on always on, tried autostart(non will not show a "start option)clear cache, restart, even uninstall to no avail

What am i missing?

thanks