It cant be Maya related since many people including Epic artists are using Maya. It is something you are missing in your workflow but i dont know what since i have no Maya experience. Ask around in the forums if you cant get further help here.
Here’s the file: Dropbox - Error
Unzip > Copy the Meshes folder in Content folder > Paste it into your project’s content folder and everything should work as expected. The only extra you need to do is set wheel radius in wheel blueprints.