Enemies going below the map

What this problem is related to? (e.g. Broken model or texture / Incorrectly placed model / Particle Effect / Animation / Collision problem / etc. ):
Enemy object below the map texture.

Location/Coordinates (/pos, if relevant):
Near Outside Hoddmimis (An aster in the beach.)

Describe the problem:
Sometimes enemies go underground below the map…

List the steps that occurred before the problem appeared (if relevant):

  1. N/A

Can you reproduce the problem? (if relevant):
Not exactly, you need an enemy to reproduce it

Screenshots/Videos (if available):

This is now fixed.
Well, mostly… with small exception of few specific places in the world where NPCs can still fall through the terrain. We will have to find them and fix one by one.