@Satoyo you didnt get a duplicate error message because its not considered a duplicate POI.
The name has to be identical for it to be considered a duplicate POI, and they wont even appear n the same list together if you did:
2020-07-09_18-22-20.png
I also had no problem drafting the map, so there is no issue with making it In-Game:
2020-07-09_18-28-47.png
Closing this one as there is no issue.