Garavar if you're using CUO you don't need to use this file, you need to navigate to the above file path I mentioned, there should already be a file there named UOROakMap.csv.x. That's the one you have to remove the .x from and rename it to CSV. Then reload your clients and it should pop up on the world map. Hit me up in discord if you still need help.
I can send you mine via Discord if you want. then you just gotta drop it in the file path and it should work.
Thanks you two, but I'm just happy to help folks enable this awesome feature in their maps. Real credit goes to those who spent the time building and sharing this with the rest of the community.