I had this problem in locus 4 and classic too. On the same phone.
I already reinstall both apps.
Wiped chache too
This is on any maps, online and offline, LOMaps and OpenAndroMaps.
it looks like there is a route with white filling there.
So the map is not missing but only hidden under this fill.
Can you please try to hide all your routes and check if the problem disappear?
Zdenek, Locus team
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