datablock AudioProfile(Elevators_GoingToGroundFloor)
{
filename = "./elevator_floorground.wav";
description = AudioClosest3d;
preload = true;
};
Add a description and idk if the preload is needed, but why not? Also you don't need a namecheck.txt, those are pretty much useless.
If those don't work then make your sound file smaller, and be sure that it should be mono, not stereo.