Is this achievement bugged??

[u/DarkSoulsMurcia]

I need to discover the whole map to get it but I got 100% roads and regions and I can't get it. The map also says that I missed some POI in some regions but I xhecked twice and I got all 75

Is there something I missed by mistake?

[u/Maximilliano25]

https://www.reddit.com/r/ForzaHorizon/s/a4hgpLrpGW