As Warriorstrike has mentioned, it'll be nice to ask your group first!
But since I am only trying to help you rather than fully downloading it and playing in the map, I think it's alright that's why I didn't ask you. Just tell your group members I'll only be helping. <3
So, let's get to the point now. I have successfully downloaded the map, exported it and followed all the directions. And guess what? You actually did something wrong! When you download maps, you should take your time when extracting your files because you might accidentally miss one. Here is proof:
All you need to do now is go over and do it carefully.