I was at the tower at the balota military base, standing crouched in front of the stairs that lead to the ground, and as I wanted to go down, I clicked on the icon that appears on the screen that leads you to go down. Without me ever pressing the W button, my character moved forward, making me fall from the building. After a second, he reappeared on the stairs, as if I had never fell. Then, the death screen showed up.