Unwanted avoidance

Former Member
Former Member
I am preparing a route through Northern Vietnam, using a OSM map. Everything worked fine. Then while I was adding a waypoint suddenly the route was changed in another part. It was a main road Basecamp simply denied using. I had not done any changes to settings, no updates, no nothing.
I recalculated the route, but this unwanted and strange avoidance kept coming up. I double-checked the routing properties, tried different profiles, without success.
I put in a new shaping points, until the route seemingly was correct, but still it makes U-turns and a huge detour.
I have deleted the maps, and reinstalled. Nothing seems to help, and this behavior came out of nowhere. ciq.forums.garmin.com/.../1436957.jpg